Home / 72,581,719.80-108,870,246.90-24,061,812.60

Finding the Fourth Proportional to 72,581,719.80, 108,870,246.90 and 24,061,812.60

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Solution

The fourth proportional to 72,581,719.80, 108,870,246.90 and 24,061,812.60 is: 36,091,945.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,581,719.80 : 108,870,246.90 = 24,061,812.60 : x
  2. Step 2: Convert to fraction form
    72,581,719.80/108,870,246.90 = 24,061,812.60/x
  3. Step 3: Cross multiply
    72,581,719.80x = 108,870,246.90 × 24,061,812.60
  4. Step 4: Simplify right side
    72,581,719.80x = 2,619,615,478,623,531
  5. Step 5: Solve for x
    x = 2,619,615,478,623,531/72,581,719.80
  6. Step 6: Final answer
    x = 36,091,945.55

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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.