Home / 56,802,694.80-85,260,029.40-28,081,261.20

Finding the Fourth Proportional to 56,802,694.80, 85,260,029.40 and 28,081,261.20

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Solution

The fourth proportional to 56,802,694.80, 85,260,029.40 and 28,081,261.20 is: 42,149,569.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,802,694.80 : 85,260,029.40 = 28,081,261.20 : x
  2. Step 2: Convert to fraction form
    56,802,694.80/85,260,029.40 = 28,081,261.20/x
  3. Step 3: Cross multiply
    56,802,694.80x = 85,260,029.40 × 28,081,261.20
  4. Step 4: Simplify right side
    56,802,694.80x = 2,394,209,155,501,079.50
  5. Step 5: Solve for x
    x = 2,394,209,155,501,079.50/56,802,694.80
  6. Step 6: Final answer
    x = 42,149,569.91

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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.