Home / 68,990,050,331.20-103,485,075,496.80-29,731,440,779.20

Finding the Fourth Proportional to 68,990,050,331.20, 103,485,075,496.80 and 29,731,440,779.20

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Solution

The fourth proportional to 68,990,050,331.20, 103,485,075,496.80 and 29,731,440,779.20 is: 44,597,161,168.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,990,050,331.20 : 103,485,075,496.80 = 29,731,440,779.20 : x
  2. Step 2: Convert to fraction form
    68,990,050,331.20/103,485,075,496.80 = 29,731,440,779.20/x
  3. Step 3: Cross multiply
    68,990,050,331.20x = 103,485,075,496.80 × 29,731,440,779.20
  4. Step 4: Simplify right side
    68,990,050,331.20x = 3,076,760,393,664,150,634,496
  5. Step 5: Solve for x
    x = 3,076,760,393,664,150,634,496/68,990,050,331.20
  6. Step 6: Final answer
    x = 44,597,161,168.80

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.