Home / 147,516,821.70-220,827,334.95-131,392,508.10

Finding the Fourth Proportional to 147,516,821.70, 220,827,334.95 and 131,392,508.10

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Solution

The fourth proportional to 147,516,821.70, 220,827,334.95 and 131,392,508.10 is: 196,689,821.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,516,821.70 : 220,827,334.95 = 131,392,508.10 : x
  2. Step 2: Convert to fraction form
    147,516,821.70/220,827,334.95 = 131,392,508.10/x
  3. Step 3: Cross multiply
    147,516,821.70x = 220,827,334.95 × 131,392,508.10
  4. Step 4: Simplify right side
    147,516,821.70x = 29,015,057,396,119,284
  5. Step 5: Solve for x
    x = 29,015,057,396,119,284/147,516,821.70
  6. Step 6: Final answer
    x = 196,689,821.96

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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.