Home / 86,878,134.96-119,912,706.90-49,729,949.52

Finding the Fourth Proportional to 86,878,134.96, 119,912,706.90 and 49,729,949.52

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Solution

The fourth proportional to 86,878,134.96, 119,912,706.90 and 49,729,949.52 is: 68,639,282.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,878,134.96 : 119,912,706.90 = 49,729,949.52 : x
  2. Step 2: Convert to fraction form
    86,878,134.96/119,912,706.90 = 49,729,949.52/x
  3. Step 3: Cross multiply
    86,878,134.96x = 119,912,706.90 × 49,729,949.52
  4. Step 4: Simplify right side
    86,878,134.96x = 5,963,252,860,943,556
  5. Step 5: Solve for x
    x = 5,963,252,860,943,556/86,878,134.96
  6. Step 6: Final answer
    x = 68,639,282.64

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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.