Home / 157,807,686.87-217,781,333.46-88,193,065.68

Finding the Fourth Proportional to 157,807,686.87, 217,781,333.46 and 88,193,065.68

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Solution

The fourth proportional to 157,807,686.87, 217,781,333.46 and 88,193,065.68 is: 121,710,189.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,807,686.87 : 217,781,333.46 = 88,193,065.68 : x
  2. Step 2: Convert to fraction form
    157,807,686.87/217,781,333.46 = 88,193,065.68/x
  3. Step 3: Cross multiply
    157,807,686.87x = 217,781,333.46 × 88,193,065.68
  4. Step 4: Simplify right side
    157,807,686.87x = 19,206,803,445,715,764
  5. Step 5: Solve for x
    x = 19,206,803,445,715,764/157,807,686.87
  6. Step 6: Final answer
    x = 121,710,189.32

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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.