Home / 139,022,999.30-208,534,498.95-132,645,707.30

Finding the Fourth Proportional to 139,022,999.30, 208,534,498.95 and 132,645,707.30

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Solution

The fourth proportional to 139,022,999.30, 208,534,498.95 and 132,645,707.30 is: 198,968,560.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,022,999.30 : 208,534,498.95 = 132,645,707.30 : x
  2. Step 2: Convert to fraction form
    139,022,999.30/208,534,498.95 = 132,645,707.30/x
  3. Step 3: Cross multiply
    139,022,999.30x = 208,534,498.95 × 132,645,707.30
  4. Step 4: Simplify right side
    139,022,999.30x = 27,661,206,109,673,856
  5. Step 5: Solve for x
    x = 27,661,206,109,673,856/139,022,999.30
  6. Step 6: Final answer
    x = 198,968,560.95

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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.