Home / 77,906,887.40-116,860,331.10-74,930,817.80

Finding the Fourth Proportional to 77,906,887.40, 116,860,331.10 and 74,930,817.80

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Solution

The fourth proportional to 77,906,887.40, 116,860,331.10 and 74,930,817.80 is: 112,396,226.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,906,887.40 : 116,860,331.10 = 74,930,817.80 : x
  2. Step 2: Convert to fraction form
    77,906,887.40/116,860,331.10 = 74,930,817.80/x
  3. Step 3: Cross multiply
    77,906,887.40x = 116,860,331.10 × 74,930,817.80
  4. Step 4: Simplify right side
    77,906,887.40x = 8,756,440,177,701,773
  5. Step 5: Solve for x
    x = 8,756,440,177,701,773/77,906,887.40
  6. Step 6: Final answer
    x = 112,396,226.70

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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.