Home / 52,091,982.20-78,115,854.90-25,173,889.40

Finding the Fourth Proportional to 52,091,982.20, 78,115,854.90 and 25,173,889.40

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Solution

The fourth proportional to 52,091,982.20, 78,115,854.90 and 25,173,889.40 is: 37,750,145.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,091,982.20 : 78,115,854.90 = 25,173,889.40 : x
  2. Step 2: Convert to fraction form
    52,091,982.20/78,115,854.90 = 25,173,889.40/x
  3. Step 3: Cross multiply
    52,091,982.20x = 78,115,854.90 × 25,173,889.40
  4. Step 4: Simplify right side
    52,091,982.20x = 1,966,479,891,639,048
  5. Step 5: Solve for x
    x = 1,966,479,891,639,048/52,091,982.20
  6. Step 6: Final answer
    x = 37,750,145.20

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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.