Home / 82,720,605.20-124,080,907.80-22,136,331.20

Finding the Fourth Proportional to 82,720,605.20, 124,080,907.80 and 22,136,331.20

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Solution

The fourth proportional to 82,720,605.20, 124,080,907.80 and 22,136,331.20 is: 33,204,496.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,720,605.20 : 124,080,907.80 = 22,136,331.20 : x
  2. Step 2: Convert to fraction form
    82,720,605.20/124,080,907.80 = 22,136,331.20/x
  3. Step 3: Cross multiply
    82,720,605.20x = 124,080,907.80 × 22,136,331.20
  4. Step 4: Simplify right side
    82,720,605.20x = 2,746,696,070,657,463
  5. Step 5: Solve for x
    x = 2,746,696,070,657,463/82,720,605.20
  6. Step 6: Final answer
    x = 33,204,496.80

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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.