Home / 82,259,873.59-113,452,434.40-72,315,493.75

Finding the Fourth Proportional to 82,259,873.59, 113,452,434.40 and 72,315,493.75

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Solution

The fourth proportional to 82,259,873.59, 113,452,434.40 and 72,315,493.75 is: 99,737,192.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,259,873.59 : 113,452,434.40 = 72,315,493.75 : x
  2. Step 2: Convert to fraction form
    82,259,873.59/113,452,434.40 = 72,315,493.75/x
  3. Step 3: Cross multiply
    82,259,873.59x = 113,452,434.40 × 72,315,493.75
  4. Step 4: Simplify right side
    82,259,873.59x = 8,204,368,811,013,983
  5. Step 5: Solve for x
    x = 8,204,368,811,013,983/82,259,873.59
  6. Step 6: Final answer
    x = 99,737,192.06

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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.