Home / 109,225,428.28-163,837,021-63,137,972.12

Finding the Fourth Proportional to 109,225,428.28, 163,837,021 and 63,137,972.12

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Solution

The fourth proportional to 109,225,428.28, 163,837,021 and 63,137,972.12 is: 94,706,309.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,225,428.28 : 163,837,021 = 63,137,972.12 : x
  2. Step 2: Convert to fraction form
    109,225,428.28/163,837,021 = 63,137,972.12/x
  3. Step 3: Cross multiply
    109,225,428.28x = 163,837,021 × 63,137,972.12
  4. Step 4: Simplify right side
    109,225,428.28x = 10,344,337,264,121,854
  5. Step 5: Solve for x
    x = 10,344,337,264,121,854/109,225,428.28
  6. Step 6: Final answer
    x = 94,706,309.94

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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.