Home / 84,199,643.70-126,299,465.55-26,691,822.60

Finding the Fourth Proportional to 84,199,643.70, 126,299,465.55 and 26,691,822.60

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Solution

The fourth proportional to 84,199,643.70, 126,299,465.55 and 26,691,822.60 is: 40,037,733.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,199,643.70 : 126,299,465.55 = 26,691,822.60 : x
  2. Step 2: Convert to fraction form
    84,199,643.70/126,299,465.55 = 26,691,822.60/x
  3. Step 3: Cross multiply
    84,199,643.70x = 126,299,465.55 × 26,691,822.60
  4. Step 4: Simplify right side
    84,199,643.70x = 3,371,162,928,935,411.50
  5. Step 5: Solve for x
    x = 3,371,162,928,935,411.50/84,199,643.70
  6. Step 6: Final answer
    x = 40,037,733.90

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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.