Home / 191,727,082.20-287,023,752.90-180,515,645.40

Finding the Fourth Proportional to 191,727,082.20, 287,023,752.90 and 180,515,645.40

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Solution

The fourth proportional to 191,727,082.20, 287,023,752.90 and 180,515,645.40 is: 270,239,746.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,727,082.20 : 287,023,752.90 = 180,515,645.40 : x
  2. Step 2: Convert to fraction form
    191,727,082.20/287,023,752.90 = 180,515,645.40/x
  3. Step 3: Cross multiply
    191,727,082.20x = 287,023,752.90 × 180,515,645.40
  4. Step 4: Simplify right side
    191,727,082.20x = 51,812,277,999,873,616
  5. Step 5: Solve for x
    x = 51,812,277,999,873,616/191,727,082.20
  6. Step 6: Final answer
    x = 270,239,746.03

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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.