Home / 81,664,233.60-122,496,350.40-61,256,899.20

Finding the Fourth Proportional to 81,664,233.60, 122,496,350.40 and 61,256,899.20

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Solution

The fourth proportional to 81,664,233.60, 122,496,350.40 and 61,256,899.20 is: 91,885,348.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,664,233.60 : 122,496,350.40 = 61,256,899.20 : x
  2. Step 2: Convert to fraction form
    81,664,233.60/122,496,350.40 = 61,256,899.20/x
  3. Step 3: Cross multiply
    81,664,233.60x = 122,496,350.40 × 61,256,899.20
  4. Step 4: Simplify right side
    81,664,233.60x = 7,503,746,588,820,680
  5. Step 5: Solve for x
    x = 7,503,746,588,820,680/81,664,233.60
  6. Step 6: Final answer
    x = 91,885,348.80

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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.