Home / 81,112,233.60-121,687,489.08-26,524,606.98

Finding the Fourth Proportional to 81,112,233.60, 121,687,489.08 and 26,524,606.98

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Solution

The fourth proportional to 81,112,233.60, 121,687,489.08 and 26,524,606.98 is: 39,793,169.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,112,233.60 : 121,687,489.08 = 26,524,606.98 : x
  2. Step 2: Convert to fraction form
    81,112,233.60/121,687,489.08 = 26,524,606.98/x
  3. Step 3: Cross multiply
    81,112,233.60x = 121,687,489.08 × 26,524,606.98
  4. Step 4: Simplify right side
    81,112,233.60x = 3,227,712,822,686,370
  5. Step 5: Solve for x
    x = 3,227,712,822,686,370/81,112,233.60
  6. Step 6: Final answer
    x = 39,793,169.04

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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.