Home / 52,422,574.25-78,645,212.24-20,074,478.18

Finding the Fourth Proportional to 52,422,574.25, 78,645,212.24 and 20,074,478.18

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Solution

The fourth proportional to 52,422,574.25, 78,645,212.24 and 20,074,478.18 is: 30,116,063.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,422,574.25 : 78,645,212.24 = 20,074,478.18 : x
  2. Step 2: Convert to fraction form
    52,422,574.25/78,645,212.24 = 20,074,478.18/x
  3. Step 3: Cross multiply
    52,422,574.25x = 78,645,212.24 × 20,074,478.18
  4. Step 4: Simplify right side
    52,422,574.25x = 1,578,761,596,579,750.50
  5. Step 5: Solve for x
    x = 1,578,761,596,579,750.50/52,422,574.25
  6. Step 6: Final answer
    x = 30,116,063.91

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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.