Home / 83,786,999.40-125,680,499.10-64,655,123.40

Finding the Fourth Proportional to 83,786,999.40, 125,680,499.10 and 64,655,123.40

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Solution

The fourth proportional to 83,786,999.40, 125,680,499.10 and 64,655,123.40 is: 96,982,685.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,786,999.40 : 125,680,499.10 = 64,655,123.40 : x
  2. Step 2: Convert to fraction form
    83,786,999.40/125,680,499.10 = 64,655,123.40/x
  3. Step 3: Cross multiply
    83,786,999.40x = 125,680,499.10 × 64,655,123.40
  4. Step 4: Simplify right side
    83,786,999.40x = 8,125,888,178,284,088
  5. Step 5: Solve for x
    x = 8,125,888,178,284,088/83,786,999.40
  6. Step 6: Final answer
    x = 96,982,685.10

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.