Home / 67,412,021.20-100,946,959.80-37,085,621.20

Finding the Fourth Proportional to 67,412,021.20, 100,946,959.80 and 37,085,621.20

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Solution

The fourth proportional to 67,412,021.20, 100,946,959.80 and 37,085,621.20 is: 55,534,319.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,412,021.20 : 100,946,959.80 = 37,085,621.20 : x
  2. Step 2: Convert to fraction form
    67,412,021.20/100,946,959.80 = 37,085,621.20/x
  3. Step 3: Cross multiply
    67,412,021.20x = 100,946,959.80 × 37,085,621.20
  4. Step 4: Simplify right side
    67,412,021.20x = 3,743,680,712,434,428
  5. Step 5: Solve for x
    x = 3,743,680,712,434,428/67,412,021.20
  6. Step 6: Final answer
    x = 55,534,319.34

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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.