Home / 142,627,789.20-213,941,683.80-34,922,413.20

Finding the Fourth Proportional to 142,627,789.20, 213,941,683.80 and 34,922,413.20

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Solution

The fourth proportional to 142,627,789.20, 213,941,683.80 and 34,922,413.20 is: 52,383,619.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,627,789.20 : 213,941,683.80 = 34,922,413.20 : x
  2. Step 2: Convert to fraction form
    142,627,789.20/213,941,683.80 = 34,922,413.20/x
  3. Step 3: Cross multiply
    142,627,789.20x = 213,941,683.80 × 34,922,413.20
  4. Step 4: Simplify right side
    142,627,789.20x = 7,471,359,882,367,347
  5. Step 5: Solve for x
    x = 7,471,359,882,367,347/142,627,789.20
  6. Step 6: Final answer
    x = 52,383,619.80

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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.