Home / 42,133,075.20-63,199,612.80-29,367,993.60

Finding the Fourth Proportional to 42,133,075.20, 63,199,612.80 and 29,367,993.60

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Solution

The fourth proportional to 42,133,075.20, 63,199,612.80 and 29,367,993.60 is: 44,051,990.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,133,075.20 : 63,199,612.80 = 29,367,993.60 : x
  2. Step 2: Convert to fraction form
    42,133,075.20/63,199,612.80 = 29,367,993.60/x
  3. Step 3: Cross multiply
    42,133,075.20x = 63,199,612.80 × 29,367,993.60
  4. Step 4: Simplify right side
    42,133,075.20x = 1,856,045,824,232,878
  5. Step 5: Solve for x
    x = 1,856,045,824,232,878/42,133,075.20
  6. Step 6: Final answer
    x = 44,051,990.40

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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.