Home / 142,627,825.20-213,941,737.80-34,922,449.20

Finding the Fourth Proportional to 142,627,825.20, 213,941,737.80 and 34,922,449.20

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Solution

The fourth proportional to 142,627,825.20, 213,941,737.80 and 34,922,449.20 is: 52,383,673.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,627,825.20 : 213,941,737.80 = 34,922,449.20 : x
  2. Step 2: Convert to fraction form
    142,627,825.20/213,941,737.80 = 34,922,449.20/x
  3. Step 3: Cross multiply
    142,627,825.20x = 213,941,737.80 × 34,922,449.20
  4. Step 4: Simplify right side
    142,627,825.20x = 7,471,369,470,080,221
  5. Step 5: Solve for x
    x = 7,471,369,470,080,221/142,627,825.20
  6. Step 6: Final answer
    x = 52,383,673.80

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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.