Home / 213,329,459.01-294,418,545.42-120,515,945.57

Finding the Fourth Proportional to 213,329,459.01, 294,418,545.42 and 120,515,945.57

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Solution

The fourth proportional to 213,329,459.01, 294,418,545.42 and 120,515,945.57 is: 166,325,502.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,329,459.01 : 294,418,545.42 = 120,515,945.57 : x
  2. Step 2: Convert to fraction form
    213,329,459.01/294,418,545.42 = 120,515,945.57/x
  3. Step 3: Cross multiply
    213,329,459.01x = 294,418,545.42 × 120,515,945.57
  4. Step 4: Simplify right side
    213,329,459.01x = 35,482,129,394,635,292
  5. Step 5: Solve for x
    x = 35,482,129,394,635,292/213,329,459.01
  6. Step 6: Final answer
    x = 166,325,502.16

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.