Home / 86,585,940.71-129,895,620.94-28,277,943.35

Finding the Fourth Proportional to 86,585,940.71, 129,895,620.94 and 28,277,943.35

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Solution

The fourth proportional to 86,585,940.71, 129,895,620.94 and 28,277,943.35 is: 42,422,372.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,585,940.71 : 129,895,620.94 = 28,277,943.35 : x
  2. Step 2: Convert to fraction form
    86,585,940.71/129,895,620.94 = 28,277,943.35/x
  3. Step 3: Cross multiply
    86,585,940.71x = 129,895,620.94 × 28,277,943.35
  4. Step 4: Simplify right side
    86,585,940.71x = 3,673,181,010,354,394
  5. Step 5: Solve for x
    x = 3,673,181,010,354,394/86,585,940.71
  6. Step 6: Final answer
    x = 42,422,372.27

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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.