Home / 148,734,839.40-205,259,062.76-82,658,122.67

Finding the Fourth Proportional to 148,734,839.40, 205,259,062.76 and 82,658,122.67

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Solution

The fourth proportional to 148,734,839.40, 205,259,062.76 and 82,658,122.67 is: 114,070,979.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,734,839.40 : 205,259,062.76 = 82,658,122.67 : x
  2. Step 2: Convert to fraction form
    148,734,839.40/205,259,062.76 = 82,658,122.67/x
  3. Step 3: Cross multiply
    148,734,839.40x = 205,259,062.76 × 82,658,122.67
  4. Step 4: Simplify right side
    148,734,839.40x = 16,966,328,787,305,724
  5. Step 5: Solve for x
    x = 16,966,328,787,305,724/148,734,839.40
  6. Step 6: Final answer
    x = 114,070,979.31

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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.