Home / 65,428,558.35-98,143,854.78-19,375,085.55

Finding the Fourth Proportional to 65,428,558.35, 98,143,854.78 and 19,375,085.55

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Solution

The fourth proportional to 65,428,558.35, 98,143,854.78 and 19,375,085.55 is: 29,062,929.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,428,558.35 : 98,143,854.78 = 19,375,085.55 : x
  2. Step 2: Convert to fraction form
    65,428,558.35/98,143,854.78 = 19,375,085.55/x
  3. Step 3: Cross multiply
    65,428,558.35x = 98,143,854.78 × 19,375,085.55
  4. Step 4: Simplify right side
    65,428,558.35x = 1,901,545,582,569,276.50
  5. Step 5: Solve for x
    x = 1,901,545,582,569,276.50/65,428,558.35
  6. Step 6: Final answer
    x = 29,062,929.56

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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.