Home / 55,127,229.28-76,074,282.48-30,680,418.40

Finding the Fourth Proportional to 55,127,229.28, 76,074,282.48 and 30,680,418.40

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Solution

The fourth proportional to 55,127,229.28, 76,074,282.48 and 30,680,418.40 is: 42,338,257.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,127,229.28 : 76,074,282.48 = 30,680,418.40 : x
  2. Step 2: Convert to fraction form
    55,127,229.28/76,074,282.48 = 30,680,418.40/x
  3. Step 3: Cross multiply
    55,127,229.28x = 76,074,282.48 × 30,680,418.40
  4. Step 4: Simplify right side
    55,127,229.28x = 2,333,990,815,966,189.50
  5. Step 5: Solve for x
    x = 2,333,990,815,966,189.50/55,127,229.28
  6. Step 6: Final answer
    x = 42,338,257.27

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.