Home / 137,933,413.36-206,892,620.52-42,195,301.36

Finding the Fourth Proportional to 137,933,413.36, 206,892,620.52 and 42,195,301.36

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Solution

The fourth proportional to 137,933,413.36, 206,892,620.52 and 42,195,301.36 is: 63,290,657.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,933,413.36 : 206,892,620.52 = 42,195,301.36 : x
  2. Step 2: Convert to fraction form
    137,933,413.36/206,892,620.52 = 42,195,301.36/x
  3. Step 3: Cross multiply
    137,933,413.36x = 206,892,620.52 × 42,195,301.36
  4. Step 4: Simplify right side
    137,933,413.36x = 8,729,896,472,001,520
  5. Step 5: Solve for x
    x = 8,729,896,472,001,520/137,933,413.36
  6. Step 6: Final answer
    x = 63,290,657.86

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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.