Home / 57,215,262.54-78,956,463.30-42,596,304.78

Finding the Fourth Proportional to 57,215,262.54, 78,956,463.30 and 42,596,304.78

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Solution

The fourth proportional to 57,215,262.54, 78,956,463.30 and 42,596,304.78 is: 58,782,454.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,215,262.54 : 78,956,463.30 = 42,596,304.78 : x
  2. Step 2: Convert to fraction form
    57,215,262.54/78,956,463.30 = 42,596,304.78/x
  3. Step 3: Cross multiply
    57,215,262.54x = 78,956,463.30 × 42,596,304.78
  4. Step 4: Simplify right side
    57,215,262.54x = 3,363,253,575,077,684.50
  5. Step 5: Solve for x
    x = 3,363,253,575,077,684.50/57,215,262.54
  6. Step 6: Final answer
    x = 58,782,454.64

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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.