Home / 178,213,143.60-267,282,390.60-87,401,905.20

Finding the Fourth Proportional to 178,213,143.60, 267,282,390.60 and 87,401,905.20

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Solution

The fourth proportional to 178,213,143.60, 267,282,390.60 and 87,401,905.20 is: 131,084,552.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,213,143.60 : 267,282,390.60 = 87,401,905.20 : x
  2. Step 2: Convert to fraction form
    178,213,143.60/267,282,390.60 = 87,401,905.20/x
  3. Step 3: Cross multiply
    178,213,143.60x = 267,282,390.60 × 87,401,905.20
  4. Step 4: Simplify right side
    178,213,143.60x = 23,360,990,164,850,572
  5. Step 5: Solve for x
    x = 23,360,990,164,850,572/178,213,143.60
  6. Step 6: Final answer
    x = 131,084,552.42

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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.