Home / 66,136,001.20-99,204,001.80-30,234,209.20

Finding the Fourth Proportional to 66,136,001.20, 99,204,001.80 and 30,234,209.20

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Solution

The fourth proportional to 66,136,001.20, 99,204,001.80 and 30,234,209.20 is: 45,351,313.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,136,001.20 : 99,204,001.80 = 30,234,209.20 : x
  2. Step 2: Convert to fraction form
    66,136,001.20/99,204,001.80 = 30,234,209.20/x
  3. Step 3: Cross multiply
    66,136,001.20x = 99,204,001.80 × 30,234,209.20
  4. Step 4: Simplify right side
    66,136,001.20x = 2,999,354,543,898,376.50
  5. Step 5: Solve for x
    x = 2,999,354,543,898,376.50/66,136,001.20
  6. Step 6: Final answer
    x = 45,351,313.80

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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.