Home / 83,001,813.60-124,428,070.80-54,261,717.60

Finding the Fourth Proportional to 83,001,813.60, 124,428,070.80 and 54,261,717.60

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Solution

The fourth proportional to 83,001,813.60, 124,428,070.80 and 54,261,717.60 is: 81,343,774.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,001,813.60 : 124,428,070.80 = 54,261,717.60 : x
  2. Step 2: Convert to fraction form
    83,001,813.60/124,428,070.80 = 54,261,717.60/x
  3. Step 3: Cross multiply
    83,001,813.60x = 124,428,070.80 × 54,261,717.60
  4. Step 4: Simplify right side
    83,001,813.60x = 6,751,680,839,262,406
  5. Step 5: Solve for x
    x = 6,751,680,839,262,406/83,001,813.60
  6. Step 6: Final answer
    x = 81,343,774.87

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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.