Home / 71,057,397.96-98,018,277.30-42,780,084.84

Finding the Fourth Proportional to 71,057,397.96, 98,018,277.30 and 42,780,084.84

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Solution

The fourth proportional to 71,057,397.96, 98,018,277.30 and 42,780,084.84 is: 59,011,874.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,057,397.96 : 98,018,277.30 = 42,780,084.84 : x
  2. Step 2: Convert to fraction form
    71,057,397.96/98,018,277.30 = 42,780,084.84/x
  3. Step 3: Cross multiply
    71,057,397.96x = 98,018,277.30 × 42,780,084.84
  4. Step 4: Simplify right side
    71,057,397.96x = 4,193,230,218,764,646.50
  5. Step 5: Solve for x
    x = 4,193,230,218,764,646.50/71,057,397.96
  6. Step 6: Final answer
    x = 59,011,874.05

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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.