Home / 111,488,191.60-167,232,287.40-72,746,142.70

Finding the Fourth Proportional to 111,488,191.60, 167,232,287.40 and 72,746,142.70

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Solution

The fourth proportional to 111,488,191.60, 167,232,287.40 and 72,746,142.70 is: 109,119,214.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,488,191.60 : 167,232,287.40 = 72,746,142.70 : x
  2. Step 2: Convert to fraction form
    111,488,191.60/167,232,287.40 = 72,746,142.70/x
  3. Step 3: Cross multiply
    111,488,191.60x = 167,232,287.40 × 72,746,142.70
  4. Step 4: Simplify right side
    111,488,191.60x = 12,165,503,843,247,812
  5. Step 5: Solve for x
    x = 12,165,503,843,247,812/111,488,191.60
  6. Step 6: Final answer
    x = 109,119,214.05

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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.