Home / 83,640,672.15-125,461,008.23-74,313,882.60

Finding the Fourth Proportional to 83,640,672.15, 125,461,008.23 and 74,313,882.60

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Solution

The fourth proportional to 83,640,672.15, 125,461,008.23 and 74,313,882.60 is: 111,470,823.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,640,672.15 : 125,461,008.23 = 74,313,882.60 : x
  2. Step 2: Convert to fraction form
    83,640,672.15/125,461,008.23 = 74,313,882.60/x
  3. Step 3: Cross multiply
    83,640,672.15x = 125,461,008.23 × 74,313,882.60
  4. Step 4: Simplify right side
    83,640,672.15x = 9,323,494,636,110,284
  5. Step 5: Solve for x
    x = 9,323,494,636,110,284/83,640,672.15
  6. Step 6: Final answer
    x = 111,470,823.90

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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.