Home / 160,513,111.92-221,521,755.60-90,910,874.64

Finding the Fourth Proportional to 160,513,111.92, 221,521,755.60 and 90,910,874.64

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Solution

The fourth proportional to 160,513,111.92, 221,521,755.60 and 90,910,874.64 is: 125,464,744.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,513,111.92 : 221,521,755.60 = 90,910,874.64 : x
  2. Step 2: Convert to fraction form
    160,513,111.92/221,521,755.60 = 90,910,874.64/x
  3. Step 3: Cross multiply
    160,513,111.92x = 221,521,755.60 × 90,910,874.64
  4. Step 4: Simplify right side
    160,513,111.92x = 20,138,736,553,384,316
  5. Step 5: Solve for x
    x = 20,138,736,553,384,316/160,513,111.92
  6. Step 6: Final answer
    x = 125,464,744.36

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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.