Home / 91,091,388.48-125,575,371.63-64,940,505.47

Finding the Fourth Proportional to 91,091,388.48, 125,575,371.63 and 64,940,505.47

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Solution

The fourth proportional to 91,091,388.48, 125,575,371.63 and 64,940,505.47 is: 89,524,687.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,091,388.48 : 125,575,371.63 = 64,940,505.47 : x
  2. Step 2: Convert to fraction form
    91,091,388.48/125,575,371.63 = 64,940,505.47/x
  3. Step 3: Cross multiply
    91,091,388.48x = 125,575,371.63 × 64,940,505.47
  4. Step 4: Simplify right side
    91,091,388.48x = 8,154,928,108,078,328
  5. Step 5: Solve for x
    x = 8,154,928,108,078,328/91,091,388.48
  6. Step 6: Final answer
    x = 89,524,687.73

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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.