Home / 52,177,939.20-78,248,282.88-21,463,541.76

Finding the Fourth Proportional to 52,177,939.20, 78,248,282.88 and 21,463,541.76

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Solution

The fourth proportional to 52,177,939.20, 78,248,282.88 and 21,463,541.76 is: 32,187,650.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,177,939.20 : 78,248,282.88 = 21,463,541.76 : x
  2. Step 2: Convert to fraction form
    52,177,939.20/78,248,282.88 = 21,463,541.76/x
  3. Step 3: Cross multiply
    52,177,939.20x = 78,248,282.88 × 21,463,541.76
  4. Step 4: Simplify right side
    52,177,939.20x = 1,679,485,287,243,173
  5. Step 5: Solve for x
    x = 1,679,485,287,243,173/52,177,939.20
  6. Step 6: Final answer
    x = 32,187,650.82

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.