Home / 147,005,213.80-220,490,995.38-39,308,235.88

Finding the Fourth Proportional to 147,005,213.80, 220,490,995.38 and 39,308,235.88

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Solution

The fourth proportional to 147,005,213.80, 220,490,995.38 and 39,308,235.88 is: 58,957,854.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,005,213.80 : 220,490,995.38 = 39,308,235.88 : x
  2. Step 2: Convert to fraction form
    147,005,213.80/220,490,995.38 = 39,308,235.88/x
  3. Step 3: Cross multiply
    147,005,213.80x = 220,490,995.38 × 39,308,235.88
  4. Step 4: Simplify right side
    147,005,213.80x = 8,667,112,055,813,031
  5. Step 5: Solve for x
    x = 8,667,112,055,813,031/147,005,213.80
  6. Step 6: Final answer
    x = 58,957,854.84

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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.