Home / 95,868,340.80-143,802,511.20-79,925,110.80

Finding the Fourth Proportional to 95,868,340.80, 143,802,511.20 and 79,925,110.80

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Solution

The fourth proportional to 95,868,340.80, 143,802,511.20 and 79,925,110.80 is: 119,887,666.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,868,340.80 : 143,802,511.20 = 79,925,110.80 : x
  2. Step 2: Convert to fraction form
    95,868,340.80/143,802,511.20 = 79,925,110.80/x
  3. Step 3: Cross multiply
    95,868,340.80x = 143,802,511.20 × 79,925,110.80
  4. Step 4: Simplify right side
    95,868,340.80x = 11,493,431,640,978,240
  5. Step 5: Solve for x
    x = 11,493,431,640,978,240/95,868,340.80
  6. Step 6: Final answer
    x = 119,887,666.20

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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.