Home / 139,969,230.30-209,953,845.45-127,204,148.70

Finding the Fourth Proportional to 139,969,230.30, 209,953,845.45 and 127,204,148.70

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Solution

The fourth proportional to 139,969,230.30, 209,953,845.45 and 127,204,148.70 is: 190,806,223.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,969,230.30 : 209,953,845.45 = 127,204,148.70 : x
  2. Step 2: Convert to fraction form
    139,969,230.30/209,953,845.45 = 127,204,148.70/x
  3. Step 3: Cross multiply
    139,969,230.30x = 209,953,845.45 × 127,204,148.70
  4. Step 4: Simplify right side
    139,969,230.30x = 26,707,000,176,758,616
  5. Step 5: Solve for x
    x = 26,707,000,176,758,616/139,969,230.30
  6. Step 6: Final answer
    x = 190,806,223.05

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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.