Home / 72,616,097.70-108,924,146.55-67,073,364.90

Finding the Fourth Proportional to 72,616,097.70, 108,924,146.55 and 67,073,364.90

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Solution

The fourth proportional to 72,616,097.70, 108,924,146.55 and 67,073,364.90 is: 100,610,047.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,616,097.70 : 108,924,146.55 = 67,073,364.90 : x
  2. Step 2: Convert to fraction form
    72,616,097.70/108,924,146.55 = 67,073,364.90/x
  3. Step 3: Cross multiply
    72,616,097.70x = 108,924,146.55 × 67,073,364.90
  4. Step 4: Simplify right side
    72,616,097.70x = 7,305,909,027,969,226
  5. Step 5: Solve for x
    x = 7,305,909,027,969,226/72,616,097.70
  6. Step 6: Final answer
    x = 100,610,047.35

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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.