Home / 159,426,603.10-238,989,439.05-86,535,934.30

Finding the Fourth Proportional to 159,426,603.10, 238,989,439.05 and 86,535,934.30

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Solution

The fourth proportional to 159,426,603.10, 238,989,439.05 and 86,535,934.30 is: 129,722,229.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,426,603.10 : 238,989,439.05 = 86,535,934.30 : x
  2. Step 2: Convert to fraction form
    159,426,603.10/238,989,439.05 = 86,535,934.30/x
  3. Step 3: Cross multiply
    159,426,603.10x = 238,989,439.05 × 86,535,934.30
  4. Step 4: Simplify right side
    159,426,603.10x = 20,681,174,396,024,656
  5. Step 5: Solve for x
    x = 20,681,174,396,024,656/159,426,603.10
  6. Step 6: Final answer
    x = 129,722,229.50

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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.