Home / 159,442,604.70-220,030,793.19-86,103,740.22

Finding the Fourth Proportional to 159,442,604.70, 220,030,793.19 and 86,103,740.22

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Solution

The fourth proportional to 159,442,604.70, 220,030,793.19 and 86,103,740.22 is: 118,823,160.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,442,604.70 : 220,030,793.19 = 86,103,740.22 : x
  2. Step 2: Convert to fraction form
    159,442,604.70/220,030,793.19 = 86,103,740.22/x
  3. Step 3: Cross multiply
    159,442,604.70x = 220,030,793.19 × 86,103,740.22
  4. Step 4: Simplify right side
    159,442,604.70x = 18,945,474,257,232,304
  5. Step 5: Solve for x
    x = 18,945,474,257,232,304/159,442,604.70
  6. Step 6: Final answer
    x = 118,823,160.80

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.