Home / 82,572,838.56-123,789,973.68-36,507,270.24

Finding the Fourth Proportional to 82,572,838.56, 123,789,973.68 and 36,507,270.24

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Solution

The fourth proportional to 82,572,838.56, 123,789,973.68 and 36,507,270.24 is: 54,730,273.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,572,838.56 : 123,789,973.68 = 36,507,270.24 : x
  2. Step 2: Convert to fraction form
    82,572,838.56/123,789,973.68 = 36,507,270.24/x
  3. Step 3: Cross multiply
    82,572,838.56x = 123,789,973.68 × 36,507,270.24
  4. Step 4: Simplify right side
    82,572,838.56x = 4,519,234,022,138,248
  5. Step 5: Solve for x
    x = 4,519,234,022,138,248/82,572,838.56
  6. Step 6: Final answer
    x = 54,730,273.31

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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.