Home / 147,005,212.80-220,490,993.88-39,308,234.88

Finding the Fourth Proportional to 147,005,212.80, 220,490,993.88 and 39,308,234.88

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Solution

The fourth proportional to 147,005,212.80, 220,490,993.88 and 39,308,234.88 is: 58,957,853.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,005,212.80 : 220,490,993.88 = 39,308,234.88 : x
  2. Step 2: Convert to fraction form
    147,005,212.80/220,490,993.88 = 39,308,234.88/x
  3. Step 3: Cross multiply
    147,005,212.80x = 220,490,993.88 × 39,308,234.88
  4. Step 4: Simplify right side
    147,005,212.80x = 8,667,111,776,359,683
  5. Step 5: Solve for x
    x = 8,667,111,776,359,683/147,005,212.80
  6. Step 6: Final answer
    x = 58,957,853.34

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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.