Home / 99,664,383.80-149,496,575.70-74,155,215.80

Finding the Fourth Proportional to 99,664,383.80, 149,496,575.70 and 74,155,215.80

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Solution

The fourth proportional to 99,664,383.80, 149,496,575.70 and 74,155,215.80 is: 111,232,823.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,664,383.80 : 149,496,575.70 = 74,155,215.80 : x
  2. Step 2: Convert to fraction form
    99,664,383.80/149,496,575.70 = 74,155,215.80/x
  3. Step 3: Cross multiply
    99,664,383.80x = 149,496,575.70 × 74,155,215.80
  4. Step 4: Simplify right side
    99,664,383.80x = 11,085,950,832,394,534
  5. Step 5: Solve for x
    x = 11,085,950,832,394,534/99,664,383.80
  6. Step 6: Final answer
    x = 111,232,823.70

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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.