Home / 87,179,801.64-130,701,843.90-56,409,366.12

Finding the Fourth Proportional to 87,179,801.64, 130,701,843.90 and 56,409,366.12

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Solution

The fourth proportional to 87,179,801.64, 130,701,843.90 and 56,409,366.12 is: 84,570,141.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,179,801.64 : 130,701,843.90 = 56,409,366.12 : x
  2. Step 2: Convert to fraction form
    87,179,801.64/130,701,843.90 = 56,409,366.12/x
  3. Step 3: Cross multiply
    87,179,801.64x = 130,701,843.90 × 56,409,366.12
  4. Step 4: Simplify right side
    87,179,801.64x = 7,372,808,165,114,189
  5. Step 5: Solve for x
    x = 7,372,808,165,114,189/87,179,801.64
  6. Step 6: Final answer
    x = 84,570,141.55

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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.