Home / 178,092,176.40-267,138,264.60-87,392,912.40

Finding the Fourth Proportional to 178,092,176.40, 267,138,264.60 and 87,392,912.40

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Solution

The fourth proportional to 178,092,176.40, 267,138,264.60 and 87,392,912.40 is: 131,089,368.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,092,176.40 : 267,138,264.60 = 87,392,912.40 : x
  2. Step 2: Convert to fraction form
    178,092,176.40/267,138,264.60 = 87,392,912.40/x
  3. Step 3: Cross multiply
    178,092,176.40x = 267,138,264.60 × 87,392,912.40
  4. Step 4: Simplify right side
    178,092,176.40x = 23,345,990,956,875,824
  5. Step 5: Solve for x
    x = 23,345,990,956,875,824/178,092,176.40
  6. Step 6: Final answer
    x = 131,089,368.60

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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.