Home / 372,276,720.90-558,415,081.35-99,647,487.90

Finding the Fourth Proportional to 372,276,720.90, 558,415,081.35 and 99,647,487.90

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Solution

The fourth proportional to 372,276,720.90, 558,415,081.35 and 99,647,487.90 is: 149,471,231.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,276,720.90 : 558,415,081.35 = 99,647,487.90 : x
  2. Step 2: Convert to fraction form
    372,276,720.90/558,415,081.35 = 99,647,487.90/x
  3. Step 3: Cross multiply
    372,276,720.90x = 558,415,081.35 × 99,647,487.90
  4. Step 4: Simplify right side
    372,276,720.90x = 55,644,660,062,001,648
  5. Step 5: Solve for x
    x = 55,644,660,062,001,648/372,276,720.90
  6. Step 6: Final answer
    x = 149,471,231.85

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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.