Home / 106,540,948.80-159,811,423.20-49,145,320.80

Finding the Fourth Proportional to 106,540,948.80, 159,811,423.20 and 49,145,320.80

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Solution

The fourth proportional to 106,540,948.80, 159,811,423.20 and 49,145,320.80 is: 73,717,981.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,540,948.80 : 159,811,423.20 = 49,145,320.80 : x
  2. Step 2: Convert to fraction form
    106,540,948.80/159,811,423.20 = 49,145,320.80/x
  3. Step 3: Cross multiply
    106,540,948.80x = 159,811,423.20 × 49,145,320.80
  4. Step 4: Simplify right side
    106,540,948.80x = 7,853,983,660,668,561
  5. Step 5: Solve for x
    x = 7,853,983,660,668,561/106,540,948.80
  6. Step 6: Final answer
    x = 73,717,981.20

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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.