Home / 272,413,693.20-408,620,539.80-181,241,648.40

Finding the Fourth Proportional to 272,413,693.20, 408,620,539.80 and 181,241,648.40

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Solution

The fourth proportional to 272,413,693.20, 408,620,539.80 and 181,241,648.40 is: 271,862,472.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,413,693.20 : 408,620,539.80 = 181,241,648.40 : x
  2. Step 2: Convert to fraction form
    272,413,693.20/408,620,539.80 = 181,241,648.40/x
  3. Step 3: Cross multiply
    272,413,693.20x = 408,620,539.80 × 181,241,648.40
  4. Step 4: Simplify right side
    272,413,693.20x = 74,059,060,203,449,808
  5. Step 5: Solve for x
    x = 74,059,060,203,449,808/272,413,693.20
  6. Step 6: Final answer
    x = 271,862,472.60

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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.