Home / 85,068,853.40-127,603,280.10-41,958,709.40

Finding the Fourth Proportional to 85,068,853.40, 127,603,280.10 and 41,958,709.40

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Solution

The fourth proportional to 85,068,853.40, 127,603,280.10 and 41,958,709.40 is: 62,938,064.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,068,853.40 : 127,603,280.10 = 41,958,709.40 : x
  2. Step 2: Convert to fraction form
    85,068,853.40/127,603,280.10 = 41,958,709.40/x
  3. Step 3: Cross multiply
    85,068,853.40x = 127,603,280.10 × 41,958,709.40
  4. Step 4: Simplify right side
    85,068,853.40x = 5,354,068,948,202,702
  5. Step 5: Solve for x
    x = 5,354,068,948,202,702/85,068,853.40
  6. Step 6: Final answer
    x = 62,938,064.10

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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.