Home / 274,025,200.80-411,037,801.20-215,912,127.45

Finding the Fourth Proportional to 274,025,200.80, 411,037,801.20 and 215,912,127.45

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Solution

The fourth proportional to 274,025,200.80, 411,037,801.20 and 215,912,127.45 is: 323,868,191.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    274,025,200.80 : 411,037,801.20 = 215,912,127.45 : x
  2. Step 2: Convert to fraction form
    274,025,200.80/411,037,801.20 = 215,912,127.45/x
  3. Step 3: Cross multiply
    274,025,200.80x = 411,037,801.20 × 215,912,127.45
  4. Step 4: Simplify right side
    274,025,200.80x = 88,748,046,119,462,160
  5. Step 5: Solve for x
    x = 88,748,046,119,462,160/274,025,200.80
  6. Step 6: Final answer
    x = 323,868,191.18

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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.