Home / 197,290,872.64-296,002,031.28-66,146,124.16

Finding the Fourth Proportional to 197,290,872.64, 296,002,031.28 and 66,146,124.16

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Solution

The fourth proportional to 197,290,872.64, 296,002,031.28 and 66,146,124.16 is: 99,241,221.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,290,872.64 : 296,002,031.28 = 66,146,124.16 : x
  2. Step 2: Convert to fraction form
    197,290,872.64/296,002,031.28 = 66,146,124.16/x
  3. Step 3: Cross multiply
    197,290,872.64x = 296,002,031.28 × 66,146,124.16
  4. Step 4: Simplify right side
    197,290,872.64x = 19,579,387,112,659,080
  5. Step 5: Solve for x
    x = 19,579,387,112,659,080/197,290,872.64
  6. Step 6: Final answer
    x = 99,241,221.10

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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.