Home / 100,417,988.08-150,568,454.94-38,935,319.50

Finding the Fourth Proportional to 100,417,988.08, 150,568,454.94 and 38,935,319.50

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Solution

The fourth proportional to 100,417,988.08, 150,568,454.94 and 38,935,319.50 is: 58,380,286.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,417,988.08 : 150,568,454.94 = 38,935,319.50 : x
  2. Step 2: Convert to fraction form
    100,417,988.08/150,568,454.94 = 38,935,319.50/x
  3. Step 3: Cross multiply
    100,417,988.08x = 150,568,454.94 × 38,935,319.50
  4. Step 4: Simplify right side
    100,417,988.08x = 5,862,430,899,710,253
  5. Step 5: Solve for x
    x = 5,862,430,899,710,253/100,417,988.08
  6. Step 6: Final answer
    x = 58,380,286.36

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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.