Home / 111,564,489.70-167,346,734.55-77,127,112.90

Finding the Fourth Proportional to 111,564,489.70, 167,346,734.55 and 77,127,112.90

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Solution

The fourth proportional to 111,564,489.70, 167,346,734.55 and 77,127,112.90 is: 115,690,669.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,564,489.70 : 167,346,734.55 = 77,127,112.90 : x
  2. Step 2: Convert to fraction form
    111,564,489.70/167,346,734.55 = 77,127,112.90/x
  3. Step 3: Cross multiply
    111,564,489.70x = 167,346,734.55 × 77,127,112.90
  4. Step 4: Simplify right side
    111,564,489.70x = 12,906,970,489,084,182
  5. Step 5: Solve for x
    x = 12,906,970,489,084,182/111,564,489.70
  6. Step 6: Final answer
    x = 115,690,669.35

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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.