Home / 82,720,294.80-124,080,442.20-22,136,020.80

Finding the Fourth Proportional to 82,720,294.80, 124,080,442.20 and 22,136,020.80

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Solution

The fourth proportional to 82,720,294.80, 124,080,442.20 and 22,136,020.80 is: 33,204,031.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,720,294.80 : 124,080,442.20 = 22,136,020.80 : x
  2. Step 2: Convert to fraction form
    82,720,294.80/124,080,442.20 = 22,136,020.80/x
  3. Step 3: Cross multiply
    82,720,294.80x = 124,080,442.20 × 22,136,020.80
  4. Step 4: Simplify right side
    82,720,294.80x = 2,746,647,249,412,398
  5. Step 5: Solve for x
    x = 2,746,647,249,412,398/82,720,294.80
  6. Step 6: Final answer
    x = 33,204,031.20

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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.