Home / 111,435,347.40-153,780,778.89-62,542,775.40

Finding the Fourth Proportional to 111,435,347.40, 153,780,778.89 and 62,542,775.40

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Solution

The fourth proportional to 111,435,347.40, 153,780,778.89 and 62,542,775.40 is: 86,309,029.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,435,347.40 : 153,780,778.89 = 62,542,775.40 : x
  2. Step 2: Convert to fraction form
    111,435,347.40/153,780,778.89 = 62,542,775.40/x
  3. Step 3: Cross multiply
    111,435,347.40x = 153,780,778.89 × 62,542,775.40
  4. Step 4: Simplify right side
    111,435,347.40x = 9,617,876,714,954,330
  5. Step 5: Solve for x
    x = 9,617,876,714,954,330/111,435,347.40
  6. Step 6: Final answer
    x = 86,309,029.76

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.