Home / 178,231,203.68-267,294,940.70-69,032,019.20

Finding the Fourth Proportional to 178,231,203.68, 267,294,940.70 and 69,032,019.20

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Solution

The fourth proportional to 178,231,203.68, 267,294,940.70 and 69,032,019.20 is: 103,527,940.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,231,203.68 : 267,294,940.70 = 69,032,019.20 : x
  2. Step 2: Convert to fraction form
    178,231,203.68/267,294,940.70 = 69,032,019.20/x
  3. Step 3: Cross multiply
    178,231,203.68x = 267,294,940.70 × 69,032,019.20
  4. Step 4: Simplify right side
    178,231,203.68x = 18,451,909,478,465,260
  5. Step 5: Solve for x
    x = 18,451,909,478,465,260/178,231,203.68
  6. Step 6: Final answer
    x = 103,527,940.66

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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.