Home / 83,640,658.65-125,460,987.98-74,313,869.10

Finding the Fourth Proportional to 83,640,658.65, 125,460,987.98 and 74,313,869.10

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Solution

The fourth proportional to 83,640,658.65, 125,460,987.98 and 74,313,869.10 is: 111,470,803.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,640,658.65 : 125,460,987.98 = 74,313,869.10 : x
  2. Step 2: Convert to fraction form
    83,640,658.65/125,460,987.98 = 74,313,869.10/x
  3. Step 3: Cross multiply
    83,640,658.65x = 125,460,987.98 × 74,313,869.10
  4. Step 4: Simplify right side
    83,640,658.65x = 9,323,491,437,530,822
  5. Step 5: Solve for x
    x = 9,323,491,437,530,822/83,640,658.65
  6. Step 6: Final answer
    x = 111,470,803.65

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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.