Home / 143,532,073.80-215,298,110.70-126,525,961.80

Finding the Fourth Proportional to 143,532,073.80, 215,298,110.70 and 126,525,961.80

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Solution

The fourth proportional to 143,532,073.80, 215,298,110.70 and 126,525,961.80 is: 189,788,942.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,532,073.80 : 215,298,110.70 = 126,525,961.80 : x
  2. Step 2: Convert to fraction form
    143,532,073.80/215,298,110.70 = 126,525,961.80/x
  3. Step 3: Cross multiply
    143,532,073.80x = 215,298,110.70 × 126,525,961.80
  4. Step 4: Simplify right side
    143,532,073.80x = 27,240,800,530,040,368
  5. Step 5: Solve for x
    x = 27,240,800,530,040,368/143,532,073.80
  6. Step 6: Final answer
    x = 189,788,942.70

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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.