Home / 272,327,145.30-408,242,712.15-99,762,347.70

Finding the Fourth Proportional to 272,327,145.30, 408,242,712.15 and 99,762,347.70

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Solution

The fourth proportional to 272,327,145.30, 408,242,712.15 and 99,762,347.70 is: 149,552,668.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,327,145.30 : 408,242,712.15 = 99,762,347.70 : x
  2. Step 2: Convert to fraction form
    272,327,145.30/408,242,712.15 = 99,762,347.70/x
  3. Step 3: Cross multiply
    272,327,145.30x = 408,242,712.15 × 99,762,347.70
  4. Step 4: Simplify right side
    272,327,145.30x = 40,727,251,395,499,312
  5. Step 5: Solve for x
    x = 40,727,251,395,499,312/272,327,145.30
  6. Step 6: Final answer
    x = 149,552,668.91

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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.