Home / 103,632,196.10-155,448,294.15-31,819,280.90

Finding the Fourth Proportional to 103,632,196.10, 155,448,294.15 and 31,819,280.90

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Solution

The fourth proportional to 103,632,196.10, 155,448,294.15 and 31,819,280.90 is: 47,728,921.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,632,196.10 : 155,448,294.15 = 31,819,280.90 : x
  2. Step 2: Convert to fraction form
    103,632,196.10/155,448,294.15 = 31,819,280.90/x
  3. Step 3: Cross multiply
    103,632,196.10x = 155,448,294.15 × 31,819,280.90
  4. Step 4: Simplify right side
    103,632,196.10x = 4,946,252,936,984,677
  5. Step 5: Solve for x
    x = 4,946,252,936,984,677/103,632,196.10
  6. Step 6: Final answer
    x = 47,728,921.35

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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.