Home / 72,281,287.76-108,381,187.81-23,746,109.83

Finding the Fourth Proportional to 72,281,287.76, 108,381,187.81 and 23,746,109.83

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Solution

The fourth proportional to 72,281,287.76, 108,381,187.81 and 23,746,109.83 is: 35,605,779.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,281,287.76 : 108,381,187.81 = 23,746,109.83 : x
  2. Step 2: Convert to fraction form
    72,281,287.76/108,381,187.81 = 23,746,109.83/x
  3. Step 3: Cross multiply
    72,281,287.76x = 108,381,187.81 × 23,746,109.83
  4. Step 4: Simplify right side
    72,281,287.76x = 2,573,631,589,242,117
  5. Step 5: Solve for x
    x = 2,573,631,589,242,117/72,281,287.76
  6. Step 6: Final answer
    x = 35,605,779.43

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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.