Home / 119,923,719.21-179,885,556.12-65,382,169.95

Finding the Fourth Proportional to 119,923,719.21, 179,885,556.12 and 65,382,169.95

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Solution

The fourth proportional to 119,923,719.21, 179,885,556.12 and 65,382,169.95 is: 98,073,242.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,923,719.21 : 179,885,556.12 = 65,382,169.95 : x
  2. Step 2: Convert to fraction form
    119,923,719.21/179,885,556.12 = 65,382,169.95/x
  3. Step 3: Cross multiply
    119,923,719.21x = 179,885,556.12 × 65,382,169.95
  4. Step 4: Simplify right side
    119,923,719.21x = 11,761,308,001,788,104
  5. Step 5: Solve for x
    x = 11,761,308,001,788,104/119,923,719.21
  6. Step 6: Final answer
    x = 98,073,242.55

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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.