Home / 143,674,221.70-215,511,332.55-132,588,756.10

Finding the Fourth Proportional to 143,674,221.70, 215,511,332.55 and 132,588,756.10

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Solution

The fourth proportional to 143,674,221.70, 215,511,332.55 and 132,588,756.10 is: 198,883,134.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,674,221.70 : 215,511,332.55 = 132,588,756.10 : x
  2. Step 2: Convert to fraction form
    143,674,221.70/215,511,332.55 = 132,588,756.10/x
  3. Step 3: Cross multiply
    143,674,221.70x = 215,511,332.55 × 132,588,756.10
  4. Step 4: Simplify right side
    143,674,221.70x = 28,574,379,508,257,940
  5. Step 5: Solve for x
    x = 28,574,379,508,257,940/143,674,221.70
  6. Step 6: Final answer
    x = 198,883,134.15

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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.