Home / 187,848,008.20-281,772,012.30-80,352,584.20

Finding the Fourth Proportional to 187,848,008.20, 281,772,012.30 and 80,352,584.20

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Solution

The fourth proportional to 187,848,008.20, 281,772,012.30 and 80,352,584.20 is: 120,528,876.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,848,008.20 : 281,772,012.30 = 80,352,584.20 : x
  2. Step 2: Convert to fraction form
    187,848,008.20/281,772,012.30 = 80,352,584.20/x
  3. Step 3: Cross multiply
    187,848,008.20x = 281,772,012.30 × 80,352,584.20
  4. Step 4: Simplify right side
    187,848,008.20x = 22,641,109,343,539,188
  5. Step 5: Solve for x
    x = 22,641,109,343,539,188/187,848,008.20
  6. Step 6: Final answer
    x = 120,528,876.30

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1.5x scale

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.