Home / 81,061,027.10-121,573,306.68-37,299,808.64

Finding the Fourth Proportional to 81,061,027.10, 121,573,306.68 and 37,299,808.64

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Solution

The fourth proportional to 81,061,027.10, 121,573,306.68 and 37,299,808.64 is: 55,941,322.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,061,027.10 : 121,573,306.68 = 37,299,808.64 : x
  2. Step 2: Convert to fraction form
    81,061,027.10/121,573,306.68 = 37,299,808.64/x
  3. Step 3: Cross multiply
    81,061,027.10x = 121,573,306.68 × 37,299,808.64
  4. Step 4: Simplify right side
    81,061,027.10x = 4,534,661,074,896,034
  5. Step 5: Solve for x
    x = 4,534,661,074,896,034/81,061,027.10
  6. Step 6: Final answer
    x = 55,941,322.69

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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.