Home / 87,146,654.64-120,253,240.32-49,457,816.64

Finding the Fourth Proportional to 87,146,654.64, 120,253,240.32 and 49,457,816.64

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Solution

The fourth proportional to 87,146,654.64, 120,253,240.32 and 49,457,816.64 is: 68,246,598.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,146,654.64 : 120,253,240.32 = 49,457,816.64 : x
  2. Step 2: Convert to fraction form
    87,146,654.64/120,253,240.32 = 49,457,816.64/x
  3. Step 3: Cross multiply
    87,146,654.64x = 120,253,240.32 × 49,457,816.64
  4. Step 4: Simplify right side
    87,146,654.64x = 5,947,462,710,112,415
  5. Step 5: Solve for x
    x = 5,947,462,710,112,415/87,146,654.64
  6. Step 6: Final answer
    x = 68,246,598.04

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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.