Home / 188,007,615.90-281,772,275.40-90,753,912.90

Finding the Fourth Proportional to 188,007,615.90, 281,772,275.40 and 90,753,912.90

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Solution

The fourth proportional to 188,007,615.90, 281,772,275.40 and 90,753,912.90 is: 136,015,429.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,007,615.90 : 281,772,275.40 = 90,753,912.90 : x
  2. Step 2: Convert to fraction form
    188,007,615.90/281,772,275.40 = 90,753,912.90/x
  3. Step 3: Cross multiply
    188,007,615.90x = 281,772,275.40 × 90,753,912.90
  4. Step 4: Simplify right side
    188,007,615.90x = 25,571,936,539,286,412
  5. Step 5: Solve for x
    x = 25,571,936,539,286,412/188,007,615.90
  6. Step 6: Final answer
    x = 136,015,429.04

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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.