Home / 71,819,301.38-99,111,265.34-40,881,459.92

Finding the Fourth Proportional to 71,819,301.38, 99,111,265.34 and 40,881,459.92

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Solution

The fourth proportional to 71,819,301.38, 99,111,265.34 and 40,881,459.92 is: 56,416,772.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,819,301.38 : 99,111,265.34 = 40,881,459.92 : x
  2. Step 2: Convert to fraction form
    71,819,301.38/99,111,265.34 = 40,881,459.92/x
  3. Step 3: Cross multiply
    71,819,301.38x = 99,111,265.34 × 40,881,459.92
  4. Step 4: Simplify right side
    71,819,301.38x = 4,051,813,220,917,731
  5. Step 5: Solve for x
    x = 4,051,813,220,917,731/71,819,301.38
  6. Step 6: Final answer
    x = 56,416,772.98

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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.