Home / 124,262,110.58-171,443,711.64-72,040,724.12

Finding the Fourth Proportional to 124,262,110.58, 171,443,711.64 and 72,040,724.12

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Solution

The fourth proportional to 124,262,110.58, 171,443,711.64 and 72,040,724.12 is: 99,394,168.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,262,110.58 : 171,443,711.64 = 72,040,724.12 : x
  2. Step 2: Convert to fraction form
    124,262,110.58/171,443,711.64 = 72,040,724.12/x
  3. Step 3: Cross multiply
    124,262,110.58x = 171,443,711.64 × 72,040,724.12
  4. Step 4: Simplify right side
    124,262,110.58x = 12,350,929,132,366,072
  5. Step 5: Solve for x
    x = 12,350,929,132,366,072/124,262,110.58
  6. Step 6: Final answer
    x = 99,394,168.30

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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.