Home / 221,451,270.30-332,175,697.13-90,293,031.18

Finding the Fourth Proportional to 221,451,270.30, 332,175,697.13 and 90,293,031.18

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Solution

The fourth proportional to 221,451,270.30, 332,175,697.13 and 90,293,031.18 is: 135,439,054.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,451,270.30 : 332,175,697.13 = 90,293,031.18 : x
  2. Step 2: Convert to fraction form
    221,451,270.30/332,175,697.13 = 90,293,031.18/x
  3. Step 3: Cross multiply
    221,451,270.30x = 332,175,697.13 × 90,293,031.18
  4. Step 4: Simplify right side
    221,451,270.30x = 29,993,150,578,423,060
  5. Step 5: Solve for x
    x = 29,993,150,578,423,060/221,451,270.30
  6. Step 6: Final answer
    x = 135,439,054.10

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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.