Home / 157,807,790.45-217,781,476.41-88,193,169.28

Finding the Fourth Proportional to 157,807,790.45, 217,781,476.41 and 88,193,169.28

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Solution

The fourth proportional to 157,807,790.45, 217,781,476.41 and 88,193,169.28 is: 121,710,332.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,807,790.45 : 217,781,476.41 = 88,193,169.28 : x
  2. Step 2: Convert to fraction form
    157,807,790.45/217,781,476.41 = 88,193,169.28/x
  3. Step 3: Cross multiply
    157,807,790.45x = 217,781,476.41 × 88,193,169.28
  4. Step 4: Simplify right side
    157,807,790.45x = 19,206,838,615,678,408
  5. Step 5: Solve for x
    x = 19,206,838,615,678,408/157,807,790.45
  6. Step 6: Final answer
    x = 121,710,332.30

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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.