Home / 178,301,630.28-267,222,154.32-79,861,370.43

Finding the Fourth Proportional to 178,301,630.28, 267,222,154.32 and 79,861,370.43

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Solution

The fourth proportional to 178,301,630.28, 267,222,154.32 and 79,861,370.43 is: 119,688,908.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,301,630.28 : 267,222,154.32 = 79,861,370.43 : x
  2. Step 2: Convert to fraction form
    178,301,630.28/267,222,154.32 = 79,861,370.43/x
  3. Step 3: Cross multiply
    178,301,630.28x = 267,222,154.32 × 79,861,370.43
  4. Step 4: Simplify right side
    178,301,630.28x = 21,340,727,453,252,148
  5. Step 5: Solve for x
    x = 21,340,727,453,252,148/178,301,630.28
  6. Step 6: Final answer
    x = 119,688,908.17

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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.