Home / 143,532,004.70-215,298,007.05-132,446,539.10

Finding the Fourth Proportional to 143,532,004.70, 215,298,007.05 and 132,446,539.10

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Solution

The fourth proportional to 143,532,004.70, 215,298,007.05 and 132,446,539.10 is: 198,669,808.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,532,004.70 : 215,298,007.05 = 132,446,539.10 : x
  2. Step 2: Convert to fraction form
    143,532,004.70/215,298,007.05 = 132,446,539.10/x
  3. Step 3: Cross multiply
    143,532,004.70x = 215,298,007.05 × 132,446,539.10
  4. Step 4: Simplify right side
    143,532,004.70x = 28,515,475,908,899,900
  5. Step 5: Solve for x
    x = 28,515,475,908,899,900/143,532,004.70
  6. Step 6: Final answer
    x = 198,669,808.65

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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.