Home / 157,807,678.70-217,781,322.19-88,193,057.54

Finding the Fourth Proportional to 157,807,678.70, 217,781,322.19 and 88,193,057.54

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Solution

The fourth proportional to 157,807,678.70, 217,781,322.19 and 88,193,057.54 is: 121,710,178.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,807,678.70 : 217,781,322.19 = 88,193,057.54 : x
  2. Step 2: Convert to fraction form
    157,807,678.70/217,781,322.19 = 88,193,057.54/x
  3. Step 3: Cross multiply
    157,807,678.70x = 217,781,322.19 × 88,193,057.54
  4. Step 4: Simplify right side
    157,807,678.70x = 19,206,800,677,730,560
  5. Step 5: Solve for x
    x = 19,206,800,677,730,560/157,807,678.70
  6. Step 6: Final answer
    x = 121,710,178.08

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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.