Home / 272,413,603.20-408,620,404.80-181,241,558.40

Finding the Fourth Proportional to 272,413,603.20, 408,620,404.80 and 181,241,558.40

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Solution

The fourth proportional to 272,413,603.20, 408,620,404.80 and 181,241,558.40 is: 271,862,337.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,413,603.20 : 408,620,404.80 = 181,241,558.40 : x
  2. Step 2: Convert to fraction form
    272,413,603.20/408,620,404.80 = 181,241,558.40/x
  3. Step 3: Cross multiply
    272,413,603.20x = 408,620,404.80 × 181,241,558.40
  4. Step 4: Simplify right side
    272,413,603.20x = 74,058,998,959,990,848
  5. Step 5: Solve for x
    x = 74,058,998,959,990,848/272,413,603.20
  6. Step 6: Final answer
    x = 271,862,337.60

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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.