Home / 83,328,131.20-124,992,196.80-74,846,070.40

Finding the Fourth Proportional to 83,328,131.20, 124,992,196.80 and 74,846,070.40

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Solution

The fourth proportional to 83,328,131.20, 124,992,196.80 and 74,846,070.40 is: 112,269,105.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,328,131.20 : 124,992,196.80 = 74,846,070.40 : x
  2. Step 2: Convert to fraction form
    83,328,131.20/124,992,196.80 = 74,846,070.40/x
  3. Step 3: Cross multiply
    83,328,131.20x = 124,992,196.80 × 74,846,070.40
  4. Step 4: Simplify right side
    83,328,131.20x = 9,355,174,761,143,456
  5. Step 5: Solve for x
    x = 9,355,174,761,143,456/83,328,131.20
  6. Step 6: Final answer
    x = 112,269,105.60

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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.