Home / 49,734,004.80-74,601,007.20-45,429,332.70

Finding the Fourth Proportional to 49,734,004.80, 74,601,007.20 and 45,429,332.70

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Solution

The fourth proportional to 49,734,004.80, 74,601,007.20 and 45,429,332.70 is: 68,143,999.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,734,004.80 : 74,601,007.20 = 45,429,332.70 : x
  2. Step 2: Convert to fraction form
    49,734,004.80/74,601,007.20 = 45,429,332.70/x
  3. Step 3: Cross multiply
    49,734,004.80x = 74,601,007.20 × 45,429,332.70
  4. Step 4: Simplify right side
    49,734,004.80x = 3,389,073,975,843,896
  5. Step 5: Solve for x
    x = 3,389,073,975,843,896/49,734,004.80
  6. Step 6: Final answer
    x = 68,143,999.05

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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.