Home / 191,909,446.20-287,864,169.30-110,280,108.60

Finding the Fourth Proportional to 191,909,446.20, 287,864,169.30 and 110,280,108.60

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Solution

The fourth proportional to 191,909,446.20, 287,864,169.30 and 110,280,108.60 is: 165,420,162.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,909,446.20 : 287,864,169.30 = 110,280,108.60 : x
  2. Step 2: Convert to fraction form
    191,909,446.20/287,864,169.30 = 110,280,108.60/x
  3. Step 3: Cross multiply
    191,909,446.20x = 287,864,169.30 × 110,280,108.60
  4. Step 4: Simplify right side
    191,909,446.20x = 31,745,691,852,452,784
  5. Step 5: Solve for x
    x = 31,745,691,852,452,784/191,909,446.20
  6. Step 6: Final answer
    x = 165,420,162.90

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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.