Home / 123,430,337.10-185,145,505.65-103,424,244.30

Finding the Fourth Proportional to 123,430,337.10, 185,145,505.65 and 103,424,244.30

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Solution

The fourth proportional to 123,430,337.10, 185,145,505.65 and 103,424,244.30 is: 155,136,366.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,430,337.10 : 185,145,505.65 = 103,424,244.30 : x
  2. Step 2: Convert to fraction form
    123,430,337.10/185,145,505.65 = 103,424,244.30/x
  3. Step 3: Cross multiply
    123,430,337.10x = 185,145,505.65 × 103,424,244.30
  4. Step 4: Simplify right side
    123,430,337.10x = 19,148,534,007,392,632
  5. Step 5: Solve for x
    x = 19,148,534,007,392,632/123,430,337.10
  6. Step 6: Final answer
    x = 155,136,366.45

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Similar ratio
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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.