Home / 83,239,327.80-124,858,991.70-79,838,105.40

Finding the Fourth Proportional to 83,239,327.80, 124,858,991.70 and 79,838,105.40

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Solution

The fourth proportional to 83,239,327.80, 124,858,991.70 and 79,838,105.40 is: 119,757,158.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,239,327.80 : 124,858,991.70 = 79,838,105.40 : x
  2. Step 2: Convert to fraction form
    83,239,327.80/124,858,991.70 = 79,838,105.40/x
  3. Step 3: Cross multiply
    83,239,327.80x = 124,858,991.70 × 79,838,105.40
  4. Step 4: Simplify right side
    83,239,327.80x = 9,968,505,339,482,326
  5. Step 5: Solve for x
    x = 9,968,505,339,482,326/83,239,327.80
  6. Step 6: Final answer
    x = 119,757,158.10

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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.