Home / 191,352,891.96-263,984,155.02-117,016,702.20

Finding the Fourth Proportional to 191,352,891.96, 263,984,155.02 and 117,016,702.20

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Solution

The fourth proportional to 191,352,891.96, 263,984,155.02 and 117,016,702.20 is: 161,432,392.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,352,891.96 : 263,984,155.02 = 117,016,702.20 : x
  2. Step 2: Convert to fraction form
    191,352,891.96/263,984,155.02 = 117,016,702.20/x
  3. Step 3: Cross multiply
    191,352,891.96x = 263,984,155.02 × 117,016,702.20
  4. Step 4: Simplify right side
    191,352,891.96x = 30,890,555,253,493,976
  5. Step 5: Solve for x
    x = 30,890,555,253,493,976/191,352,891.96
  6. Step 6: Final answer
    x = 161,432,392.98

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.