Home / 84,265,408.79-126,398,113.20-23,681,134.79

Finding the Fourth Proportional to 84,265,408.79, 126,398,113.20 and 23,681,134.79

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Solution

The fourth proportional to 84,265,408.79, 126,398,113.20 and 23,681,134.79 is: 35,521,702.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,265,408.79 : 126,398,113.20 = 23,681,134.79 : x
  2. Step 2: Convert to fraction form
    84,265,408.79/126,398,113.20 = 23,681,134.79/x
  3. Step 3: Cross multiply
    84,265,408.79x = 126,398,113.20 × 23,681,134.79
  4. Step 4: Simplify right side
    84,265,408.79x = 2,993,250,755,890,878
  5. Step 5: Solve for x
    x = 2,993,250,755,890,878/84,265,408.79
  6. Step 6: Final answer
    x = 35,521,702.19

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Double scale
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Similar ratio
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1.5x scale

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.