Home / 84,199,543.20-126,299,314.80-26,691,722.10

Finding the Fourth Proportional to 84,199,543.20, 126,299,314.80 and 26,691,722.10

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Solution

The fourth proportional to 84,199,543.20, 126,299,314.80 and 26,691,722.10 is: 40,037,583.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,199,543.20 : 126,299,314.80 = 26,691,722.10 : x
  2. Step 2: Convert to fraction form
    84,199,543.20/126,299,314.80 = 26,691,722.10/x
  3. Step 3: Cross multiply
    84,199,543.20x = 126,299,314.80 × 26,691,722.10
  4. Step 4: Simplify right side
    84,199,543.20x = 3,371,146,212,062,017
  5. Step 5: Solve for x
    x = 3,371,146,212,062,017/84,199,543.20
  6. Step 6: Final answer
    x = 40,037,583.15

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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.