Home / 52,422,489.19-78,645,084.58-20,074,392.88

Finding the Fourth Proportional to 52,422,489.19, 78,645,084.58 and 20,074,392.88

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Solution

The fourth proportional to 52,422,489.19, 78,645,084.58 and 20,074,392.88 is: 30,115,935.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,422,489.19 : 78,645,084.58 = 20,074,392.88 : x
  2. Step 2: Convert to fraction form
    52,422,489.19/78,645,084.58 = 20,074,392.88/x
  3. Step 3: Cross multiply
    52,422,489.19x = 78,645,084.58 × 20,074,392.88
  4. Step 4: Simplify right side
    52,422,489.19x = 1,578,752,325,586,415
  5. Step 5: Solve for x
    x = 1,578,752,325,586,415/52,422,489.19
  6. Step 6: Final answer
    x = 30,115,935.93

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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.