Home / 49,825,921.40-74,738,882.10-45,282,100.85

Finding the Fourth Proportional to 49,825,921.40, 74,738,882.10 and 45,282,100.85

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Solution

The fourth proportional to 49,825,921.40, 74,738,882.10 and 45,282,100.85 is: 67,923,151.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,825,921.40 : 74,738,882.10 = 45,282,100.85 : x
  2. Step 2: Convert to fraction form
    49,825,921.40/74,738,882.10 = 45,282,100.85/x
  3. Step 3: Cross multiply
    49,825,921.40x = 74,738,882.10 × 45,282,100.85
  4. Step 4: Simplify right side
    49,825,921.40x = 3,384,333,596,668,459.50
  5. Step 5: Solve for x
    x = 3,384,333,596,668,459.50/49,825,921.40
  6. Step 6: Final answer
    x = 67,923,151.28

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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.