Home / 56,802,688.80-85,260,020.40-28,081,255.20

Finding the Fourth Proportional to 56,802,688.80, 85,260,020.40 and 28,081,255.20

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Solution

The fourth proportional to 56,802,688.80, 85,260,020.40 and 28,081,255.20 is: 42,149,560.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,802,688.80 : 85,260,020.40 = 28,081,255.20 : x
  2. Step 2: Convert to fraction form
    56,802,688.80/85,260,020.40 = 28,081,255.20/x
  3. Step 3: Cross multiply
    56,802,688.80x = 85,260,020.40 × 28,081,255.20
  4. Step 4: Simplify right side
    56,802,688.80x = 2,394,208,391,209,606
  5. Step 5: Solve for x
    x = 2,394,208,391,209,606/56,802,688.80
  6. Step 6: Final answer
    x = 42,149,560.91

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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.