Home / 157,807,686.31-217,781,332.70-88,193,065.14

Finding the Fourth Proportional to 157,807,686.31, 217,781,332.70 and 88,193,065.14

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Solution

The fourth proportional to 157,807,686.31, 217,781,332.70 and 88,193,065.14 is: 121,710,188.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,807,686.31 : 217,781,332.70 = 88,193,065.14 : x
  2. Step 2: Convert to fraction form
    157,807,686.31/217,781,332.70 = 88,193,065.14/x
  3. Step 3: Cross multiply
    157,807,686.31x = 217,781,332.70 × 88,193,065.14
  4. Step 4: Simplify right side
    157,807,686.31x = 19,206,803,260,646,148
  5. Step 5: Solve for x
    x = 19,206,803,260,646,148/157,807,686.31
  6. Step 6: Final answer
    x = 121,710,188.58

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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.