Home / 178,289,281.80-267,278,402.70-69,188,891.40

Finding the Fourth Proportional to 178,289,281.80, 267,278,402.70 and 69,188,891.40

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Solution

The fourth proportional to 178,289,281.80, 267,278,402.70 and 69,188,891.40 is: 103,722,984.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,289,281.80 : 267,278,402.70 = 69,188,891.40 : x
  2. Step 2: Convert to fraction form
    178,289,281.80/267,278,402.70 = 69,188,891.40/x
  3. Step 3: Cross multiply
    178,289,281.80x = 267,278,402.70 × 69,188,891.40
  4. Step 4: Simplify right side
    178,289,281.80x = 18,492,696,377,975,768
  5. Step 5: Solve for x
    x = 18,492,696,377,975,768/178,289,281.80
  6. Step 6: Final answer
    x = 103,722,984.31

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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.