Home / 71,819,293.38-99,111,254.25-40,881,451.92

Finding the Fourth Proportional to 71,819,293.38, 99,111,254.25 and 40,881,451.92

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Solution

The fourth proportional to 71,819,293.38, 99,111,254.25 and 40,881,451.92 is: 56,416,761.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,819,293.38 : 99,111,254.25 = 40,881,451.92 : x
  2. Step 2: Convert to fraction form
    71,819,293.38/99,111,254.25 = 40,881,451.92/x
  3. Step 3: Cross multiply
    71,819,293.38x = 99,111,254.25 × 40,881,451.92
  4. Step 4: Simplify right side
    71,819,293.38x = 4,051,811,975,352,271
  5. Step 5: Solve for x
    x = 4,051,811,975,352,271/71,819,293.38
  6. Step 6: Final answer
    x = 56,416,761.91

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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.