Home / 71,765,471.84-99,165,898.64-51,103,045.92

Finding the Fourth Proportional to 71,765,471.84, 99,165,898.64 and 51,103,045.92

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Solution

The fourth proportional to 71,765,471.84, 99,165,898.64 and 51,103,045.92 is: 70,614,452.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,765,471.84 : 99,165,898.64 = 51,103,045.92 : x
  2. Step 2: Convert to fraction form
    71,765,471.84/99,165,898.64 = 51,103,045.92/x
  3. Step 3: Cross multiply
    71,765,471.84x = 99,165,898.64 × 51,103,045.92
  4. Step 4: Simplify right side
    71,765,471.84x = 5,067,679,471,897,986
  5. Step 5: Solve for x
    x = 5,067,679,471,897,986/71,765,471.84
  6. Step 6: Final answer
    x = 70,614,452.08

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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.