Home / 139,234,087,316.85-208,850,870,306.40-43,627,425,286.16

Finding the Fourth Proportional to 139,234,087,316.85, 208,850,870,306.40 and 43,627,425,286.16

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Solution

The fourth proportional to 139,234,087,316.85, 208,850,870,306.40 and 43,627,425,286.16 is: 65,441,056,251.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,234,087,316.85 : 208,850,870,306.40 = 43,627,425,286.16 : x
  2. Step 2: Convert to fraction form
    139,234,087,316.85/208,850,870,306.40 = 43,627,425,286.16/x
  3. Step 3: Cross multiply
    139,234,087,316.85x = 208,850,870,306.40 × 43,627,425,286.16
  4. Step 4: Simplify right side
    139,234,087,316.85x = 9,111,625,740,240,913,694,720
  5. Step 5: Solve for x
    x = 9,111,625,740,240,913,694,720/139,234,087,316.85
  6. Step 6: Final answer
    x = 65,441,056,251.59

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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.