Home / 188,732,145.92-260,316,196.76-125,976,603.13

Finding the Fourth Proportional to 188,732,145.92, 260,316,196.76 and 125,976,603.13

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Solution

The fourth proportional to 188,732,145.92, 260,316,196.76 and 125,976,603.13 is: 173,758,158.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,732,145.92 : 260,316,196.76 = 125,976,603.13 : x
  2. Step 2: Convert to fraction form
    188,732,145.92/260,316,196.76 = 125,976,603.13/x
  3. Step 3: Cross multiply
    188,732,145.92x = 260,316,196.76 × 125,976,603.13
  4. Step 4: Simplify right side
    188,732,145.92x = 32,793,750,207,209,660
  5. Step 5: Solve for x
    x = 32,793,750,207,209,660/188,732,145.92
  6. Step 6: Final answer
    x = 173,758,158.94

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.