Home / 52,422,490.19-78,645,086.08-20,074,393.88

Finding the Fourth Proportional to 52,422,490.19, 78,645,086.08 and 20,074,393.88

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Solution

The fourth proportional to 52,422,490.19, 78,645,086.08 and 20,074,393.88 is: 30,115,937.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,422,490.19 : 78,645,086.08 = 20,074,393.88 : x
  2. Step 2: Convert to fraction form
    52,422,490.19/78,645,086.08 = 20,074,393.88/x
  3. Step 3: Cross multiply
    52,422,490.19x = 78,645,086.08 × 20,074,393.88
  4. Step 4: Simplify right side
    52,422,490.19x = 1,578,752,434,696,425
  5. Step 5: Solve for x
    x = 1,578,752,434,696,425/52,422,490.19
  6. Step 6: Final answer
    x = 30,115,937.43

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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.