Home / 142,220,433.92-213,347,728.85-50,085,116.64

Finding the Fourth Proportional to 142,220,433.92, 213,347,728.85 and 50,085,116.64

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Solution

The fourth proportional to 142,220,433.92, 213,347,728.85 and 50,085,116.64 is: 75,133,689.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,220,433.92 : 213,347,728.85 = 50,085,116.64 : x
  2. Step 2: Convert to fraction form
    142,220,433.92/213,347,728.85 = 50,085,116.64/x
  3. Step 3: Cross multiply
    142,220,433.92x = 213,347,728.85 × 50,085,116.64
  4. Step 4: Simplify right side
    142,220,433.92x = 10,685,545,884,080,918
  5. Step 5: Solve for x
    x = 10,685,545,884,080,918/142,220,433.92
  6. Step 6: Final answer
    x = 75,133,689.23

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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.