Home / 83,030,979.90-124,558,355.82-25,528,078.74

Finding the Fourth Proportional to 83,030,979.90, 124,558,355.82 and 25,528,078.74

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Solution

The fourth proportional to 83,030,979.90, 124,558,355.82 and 25,528,078.74 is: 38,295,772.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,030,979.90 : 124,558,355.82 = 25,528,078.74 : x
  2. Step 2: Convert to fraction form
    83,030,979.90/124,558,355.82 = 25,528,078.74/x
  3. Step 3: Cross multiply
    83,030,979.90x = 124,558,355.82 × 25,528,078.74
  4. Step 4: Simplify right side
    83,030,979.90x = 3,179,735,515,097,897
  5. Step 5: Solve for x
    x = 3,179,735,515,097,897/83,030,979.90
  6. Step 6: Final answer
    x = 38,295,772.48

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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.