Home / 84,218,059.40-126,327,089.10-48,386,251.40

Finding the Fourth Proportional to 84,218,059.40, 126,327,089.10 and 48,386,251.40

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Solution

The fourth proportional to 84,218,059.40, 126,327,089.10 and 48,386,251.40 is: 72,579,377.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,218,059.40 : 126,327,089.10 = 48,386,251.40 : x
  2. Step 2: Convert to fraction form
    84,218,059.40/126,327,089.10 = 48,386,251.40/x
  3. Step 3: Cross multiply
    84,218,059.40x = 126,327,089.10 × 48,386,251.40
  4. Step 4: Simplify right side
    84,218,059.40x = 6,112,494,291,822,799
  5. Step 5: Solve for x
    x = 6,112,494,291,822,799/84,218,059.40
  6. Step 6: Final answer
    x = 72,579,377.10

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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.