Home / 120,002,670.65-180,002,693.77-29,126,259.65

Finding the Fourth Proportional to 120,002,670.65, 180,002,693.77 and 29,126,259.65

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Solution

The fourth proportional to 120,002,670.65, 180,002,693.77 and 29,126,259.65 is: 43,689,070.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,002,670.65 : 180,002,693.77 = 29,126,259.65 : x
  2. Step 2: Convert to fraction form
    120,002,670.65/180,002,693.77 = 29,126,259.65/x
  3. Step 3: Cross multiply
    120,002,670.65x = 180,002,693.77 × 29,126,259.65
  4. Step 4: Simplify right side
    120,002,670.65x = 5,242,805,195,544,444
  5. Step 5: Solve for x
    x = 5,242,805,195,544,444/120,002,670.65
  6. Step 6: Final answer
    x = 43,689,070.98

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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.