Home / 139,992,603.20-209,988,904.80-131,034,651.20

Finding the Fourth Proportional to 139,992,603.20, 209,988,904.80 and 131,034,651.20

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Solution

The fourth proportional to 139,992,603.20, 209,988,904.80 and 131,034,651.20 is: 196,551,976.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,992,603.20 : 209,988,904.80 = 131,034,651.20 : x
  2. Step 2: Convert to fraction form
    139,992,603.20/209,988,904.80 = 131,034,651.20/x
  3. Step 3: Cross multiply
    139,992,603.20x = 209,988,904.80 × 131,034,651.20
  4. Step 4: Simplify right side
    139,992,603.20x = 27,515,822,896,338,008
  5. Step 5: Solve for x
    x = 27,515,822,896,338,008/139,992,603.20
  6. Step 6: Final answer
    x = 196,551,976.80

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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.