Home / 141,034,077.75-211,545,429.06-71,945,365.84

Finding the Fourth Proportional to 141,034,077.75, 211,545,429.06 and 71,945,365.84

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Solution

The fourth proportional to 141,034,077.75, 211,545,429.06 and 71,945,365.84 is: 107,915,147.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,034,077.75 : 211,545,429.06 = 71,945,365.84 : x
  2. Step 2: Convert to fraction form
    141,034,077.75/211,545,429.06 = 71,945,365.84/x
  3. Step 3: Cross multiply
    141,034,077.75x = 211,545,429.06 × 71,945,365.84
  4. Step 4: Simplify right side
    141,034,077.75x = 15,219,713,286,432,342
  5. Step 5: Solve for x
    x = 15,219,713,286,432,342/141,034,077.75
  6. Step 6: Final answer
    x = 107,915,147.38

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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.