Home / 271,873,751.40-407,810,627.10-77,791,498.20

Finding the Fourth Proportional to 271,873,751.40, 407,810,627.10 and 77,791,498.20

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Solution

The fourth proportional to 271,873,751.40, 407,810,627.10 and 77,791,498.20 is: 116,687,247.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,873,751.40 : 407,810,627.10 = 77,791,498.20 : x
  2. Step 2: Convert to fraction form
    271,873,751.40/407,810,627.10 = 77,791,498.20/x
  3. Step 3: Cross multiply
    271,873,751.40x = 407,810,627.10 × 77,791,498.20
  4. Step 4: Simplify right side
    271,873,751.40x = 31,724,199,663,990,524
  5. Step 5: Solve for x
    x = 31,724,199,663,990,524/271,873,751.40
  6. Step 6: Final answer
    x = 116,687,247.30

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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.