Home / 178,646,656.40-267,969,984.60-87,947,392.40

Finding the Fourth Proportional to 178,646,656.40, 267,969,984.60 and 87,947,392.40

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Solution

The fourth proportional to 178,646,656.40, 267,969,984.60 and 87,947,392.40 is: 131,921,088.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,646,656.40 : 267,969,984.60 = 87,947,392.40 : x
  2. Step 2: Convert to fraction form
    178,646,656.40/267,969,984.60 = 87,947,392.40/x
  3. Step 3: Cross multiply
    178,646,656.40x = 267,969,984.60 × 87,947,392.40
  4. Step 4: Simplify right side
    178,646,656.40x = 23,567,261,387,038,160
  5. Step 5: Solve for x
    x = 23,567,261,387,038,160/178,646,656.40
  6. Step 6: Final answer
    x = 131,921,088.60

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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.