Home / 141,479,379.44-195,240,163.56-78,754,482.80

Finding the Fourth Proportional to 141,479,379.44, 195,240,163.56 and 78,754,482.80

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Solution

The fourth proportional to 141,479,379.44, 195,240,163.56 and 78,754,482.80 is: 108,680,418.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,479,379.44 : 195,240,163.56 = 78,754,482.80 : x
  2. Step 2: Convert to fraction form
    141,479,379.44/195,240,163.56 = 78,754,482.80/x
  3. Step 3: Cross multiply
    141,479,379.44x = 195,240,163.56 × 78,754,482.80
  4. Step 4: Simplify right side
    141,479,379.44x = 15,376,038,102,955,206
  5. Step 5: Solve for x
    x = 15,376,038,102,955,206/141,479,379.44
  6. Step 6: Final answer
    x = 108,680,418.05

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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.