Home / 99,747,342.31-137,575,582.77-85,832,016.56

Finding the Fourth Proportional to 99,747,342.31, 137,575,582.77 and 85,832,016.56

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Solution

The fourth proportional to 99,747,342.31, 137,575,582.77 and 85,832,016.56 is: 118,383,000.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,747,342.31 : 137,575,582.77 = 85,832,016.56 : x
  2. Step 2: Convert to fraction form
    99,747,342.31/137,575,582.77 = 85,832,016.56/x
  3. Step 3: Cross multiply
    99,747,342.31x = 137,575,582.77 × 85,832,016.56
  4. Step 4: Simplify right side
    99,747,342.31x = 11,808,389,698,566,292
  5. Step 5: Solve for x
    x = 11,808,389,698,566,292/99,747,342.31
  6. Step 6: Final answer
    x = 118,383,000.75

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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.