Home / 99,690,190.80-149,555,503.80-56,580,046.80

Finding the Fourth Proportional to 99,690,190.80, 149,555,503.80 and 56,580,046.80

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Solution

The fourth proportional to 99,690,190.80, 149,555,503.80 and 56,580,046.80 is: 84,881,544.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,690,190.80 : 149,555,503.80 = 56,580,046.80 : x
  2. Step 2: Convert to fraction form
    99,690,190.80/149,555,503.80 = 56,580,046.80/x
  3. Step 3: Cross multiply
    99,690,190.80x = 149,555,503.80 × 56,580,046.80
  4. Step 4: Simplify right side
    99,690,190.80x = 8,461,857,404,201,578
  5. Step 5: Solve for x
    x = 8,461,857,404,201,578/99,690,190.80
  6. Step 6: Final answer
    x = 84,881,544.88

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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.