Home / 54,557,132.22-81,859,670.76-28,643,412.18

Finding the Fourth Proportional to 54,557,132.22, 81,859,670.76 and 28,643,412.18

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Solution

The fourth proportional to 54,557,132.22, 81,859,670.76 and 28,643,412.18 is: 42,977,704.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,557,132.22 : 81,859,670.76 = 28,643,412.18 : x
  2. Step 2: Convert to fraction form
    54,557,132.22/81,859,670.76 = 28,643,412.18/x
  3. Step 3: Cross multiply
    54,557,132.22x = 81,859,670.76 × 28,643,412.18
  4. Step 4: Simplify right side
    54,557,132.22x = 2,344,740,290,497,774
  5. Step 5: Solve for x
    x = 2,344,740,290,497,774/54,557,132.22
  6. Step 6: Final answer
    x = 42,977,704.20

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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.