Home / 186,313,928.86-257,108,793.18-101,543,724.38

Finding the Fourth Proportional to 186,313,928.86, 257,108,793.18 and 101,543,724.38

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Solution

The fourth proportional to 186,313,928.86, 257,108,793.18 and 101,543,724.38 is: 140,127,925.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,313,928.86 : 257,108,793.18 = 101,543,724.38 : x
  2. Step 2: Convert to fraction form
    186,313,928.86/257,108,793.18 = 101,543,724.38/x
  3. Step 3: Cross multiply
    186,313,928.86x = 257,108,793.18 × 101,543,724.38
  4. Step 4: Simplify right side
    186,313,928.86x = 26,107,784,430,344,344
  5. Step 5: Solve for x
    x = 26,107,784,430,344,344/186,313,928.86
  6. Step 6: Final answer
    x = 140,127,925.97

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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.