Home / 84,108,072.16-126,175,447.58-35,586,286.88

Finding the Fourth Proportional to 84,108,072.16, 126,175,447.58 and 35,586,286.88

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Solution

The fourth proportional to 84,108,072.16, 126,175,447.58 and 35,586,286.88 is: 53,385,074.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,108,072.16 : 126,175,447.58 = 35,586,286.88 : x
  2. Step 2: Convert to fraction form
    84,108,072.16/126,175,447.58 = 35,586,286.88/x
  3. Step 3: Cross multiply
    84,108,072.16x = 126,175,447.58 × 35,586,286.88
  4. Step 4: Simplify right side
    84,108,072.16x = 4,490,115,673,985,473
  5. Step 5: Solve for x
    x = 4,490,115,673,985,473/84,108,072.16
  6. Step 6: Final answer
    x = 53,385,074.21

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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.