Home / 68,954,755.20-103,432,132.80-30,575,529.60

Finding the Fourth Proportional to 68,954,755.20, 103,432,132.80 and 30,575,529.60

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Solution

The fourth proportional to 68,954,755.20, 103,432,132.80 and 30,575,529.60 is: 45,863,294.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,954,755.20 : 103,432,132.80 = 30,575,529.60 : x
  2. Step 2: Convert to fraction form
    68,954,755.20/103,432,132.80 = 30,575,529.60/x
  3. Step 3: Cross multiply
    68,954,755.20x = 103,432,132.80 × 30,575,529.60
  4. Step 4: Simplify right side
    68,954,755.20x = 3,162,492,238,017,531
  5. Step 5: Solve for x
    x = 3,162,492,238,017,531/68,954,755.20
  6. Step 6: Final answer
    x = 45,863,294.40

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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.