Home / 76,587,471.04-105,690,710.16-41,780,301.92

Finding the Fourth Proportional to 76,587,471.04, 105,690,710.16 and 41,780,301.92

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Solution

The fourth proportional to 76,587,471.04, 105,690,710.16 and 41,780,301.92 is: 57,656,816.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,587,471.04 : 105,690,710.16 = 41,780,301.92 : x
  2. Step 2: Convert to fraction form
    76,587,471.04/105,690,710.16 = 41,780,301.92/x
  3. Step 3: Cross multiply
    76,587,471.04x = 105,690,710.16 × 41,780,301.92
  4. Step 4: Simplify right side
    76,587,471.04x = 4,415,789,780,624,011.50
  5. Step 5: Solve for x
    x = 4,415,789,780,624,011.50/76,587,471.04
  6. Step 6: Final answer
    x = 57,656,816.72

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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.