Home / 139,969,010.70-209,953,516.05-137,701,529.10

Finding the Fourth Proportional to 139,969,010.70, 209,953,516.05 and 137,701,529.10

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Solution

The fourth proportional to 139,969,010.70, 209,953,516.05 and 137,701,529.10 is: 206,552,293.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,969,010.70 : 209,953,516.05 = 137,701,529.10 : x
  2. Step 2: Convert to fraction form
    139,969,010.70/209,953,516.05 = 137,701,529.10/x
  3. Step 3: Cross multiply
    139,969,010.70x = 209,953,516.05 × 137,701,529.10
  4. Step 4: Simplify right side
    139,969,010.70x = 28,910,920,200,006,392
  5. Step 5: Solve for x
    x = 28,910,920,200,006,392/139,969,010.70
  6. Step 6: Final answer
    x = 206,552,293.65

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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.