Home / 113,244,660.72-156,276,142.02-63,685,020.24

Finding the Fourth Proportional to 113,244,660.72, 156,276,142.02 and 63,685,020.24

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Solution

The fourth proportional to 113,244,660.72, 156,276,142.02 and 63,685,020.24 is: 87,884,490.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,244,660.72 : 156,276,142.02 = 63,685,020.24 : x
  2. Step 2: Convert to fraction form
    113,244,660.72/156,276,142.02 = 63,685,020.24/x
  3. Step 3: Cross multiply
    113,244,660.72x = 156,276,142.02 × 63,685,020.24
  4. Step 4: Simplify right side
    113,244,660.72x = 9,952,449,267,572,816
  5. Step 5: Solve for x
    x = 9,952,449,267,572,816/113,244,660.72
  6. Step 6: Final answer
    x = 87,884,490.13

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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.