Home / 72,930,999.56-109,356,109.50-29,830,471.88

Finding the Fourth Proportional to 72,930,999.56, 109,356,109.50 and 29,830,471.88

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Solution

The fourth proportional to 72,930,999.56, 109,356,109.50 and 29,830,471.88 is: 44,729,187.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,930,999.56 : 109,356,109.50 = 29,830,471.88 : x
  2. Step 2: Convert to fraction form
    72,930,999.56/109,356,109.50 = 29,830,471.88/x
  3. Step 3: Cross multiply
    72,930,999.56x = 109,356,109.50 × 29,830,471.88
  4. Step 4: Simplify right side
    72,930,999.56x = 3,262,144,349,345,950.50
  5. Step 5: Solve for x
    x = 3,262,144,349,345,950.50/72,930,999.56
  6. Step 6: Final answer
    x = 44,729,187.44

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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.