Home / 153,797,694.76-212,242,142.33-87,721,539.96

Finding the Fourth Proportional to 153,797,694.76, 212,242,142.33 and 87,721,539.96

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Solution

The fourth proportional to 153,797,694.76, 212,242,142.33 and 87,721,539.96 is: 121,056,480.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,797,694.76 : 212,242,142.33 = 87,721,539.96 : x
  2. Step 2: Convert to fraction form
    153,797,694.76/212,242,142.33 = 87,721,539.96/x
  3. Step 3: Cross multiply
    153,797,694.76x = 212,242,142.33 × 87,721,539.96
  4. Step 4: Simplify right side
    153,797,694.76x = 18,618,207,569,597,104
  5. Step 5: Solve for x
    x = 18,618,207,569,597,104/153,797,694.76
  6. Step 6: Final answer
    x = 121,056,480.06

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