Home / 147,197,219.40-220,795,829.10-146,189,449.80

Finding the Fourth Proportional to 147,197,219.40, 220,795,829.10 and 146,189,449.80

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Solution

The fourth proportional to 147,197,219.40, 220,795,829.10 and 146,189,449.80 is: 219,284,174.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,197,219.40 : 220,795,829.10 = 146,189,449.80 : x
  2. Step 2: Convert to fraction form
    147,197,219.40/220,795,829.10 = 146,189,449.80/x
  3. Step 3: Cross multiply
    147,197,219.40x = 220,795,829.10 × 146,189,449.80
  4. Step 4: Simplify right side
    147,197,219.40x = 32,278,020,774,263,832
  5. Step 5: Solve for x
    x = 32,278,020,774,263,832/147,197,219.40
  6. Step 6: Final answer
    x = 219,284,174.70

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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.