Home / 191,909,488.70-287,864,233.05-110,280,151.10

Finding the Fourth Proportional to 191,909,488.70, 287,864,233.05 and 110,280,151.10

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Solution

The fourth proportional to 191,909,488.70, 287,864,233.05 and 110,280,151.10 is: 165,420,226.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,909,488.70 : 287,864,233.05 = 110,280,151.10 : x
  2. Step 2: Convert to fraction form
    191,909,488.70/287,864,233.05 = 110,280,151.10/x
  3. Step 3: Cross multiply
    191,909,488.70x = 287,864,233.05 × 110,280,151.10
  4. Step 4: Simplify right side
    191,909,488.70x = 31,745,711,117,039,612
  5. Step 5: Solve for x
    x = 31,745,711,117,039,612/191,909,488.70
  6. Step 6: Final answer
    x = 165,420,226.65

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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.