Home / 147,059,812.80-220,589,719.20-39,354,436.80

Finding the Fourth Proportional to 147,059,812.80, 220,589,719.20 and 39,354,436.80

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Solution

The fourth proportional to 147,059,812.80, 220,589,719.20 and 39,354,436.80 is: 59,031,655.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,059,812.80 : 220,589,719.20 = 39,354,436.80 : x
  2. Step 2: Convert to fraction form
    147,059,812.80/220,589,719.20 = 39,354,436.80/x
  3. Step 3: Cross multiply
    147,059,812.80x = 220,589,719.20 × 39,354,436.80
  4. Step 4: Simplify right side
    147,059,812.80x = 8,681,184,162,986,145
  5. Step 5: Solve for x
    x = 8,681,184,162,986,145/147,059,812.80
  6. Step 6: Final answer
    x = 59,031,655.20

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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.