Home / 188,811,021.60-283,216,532.40-137,792,685.60

Finding the Fourth Proportional to 188,811,021.60, 283,216,532.40 and 137,792,685.60

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Solution

The fourth proportional to 188,811,021.60, 283,216,532.40 and 137,792,685.60 is: 206,689,028.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,811,021.60 : 283,216,532.40 = 137,792,685.60 : x
  2. Step 2: Convert to fraction form
    188,811,021.60/283,216,532.40 = 137,792,685.60/x
  3. Step 3: Cross multiply
    188,811,021.60x = 283,216,532.40 × 137,792,685.60
  4. Step 4: Simplify right side
    188,811,021.60x = 39,025,166,605,715,408
  5. Step 5: Solve for x
    x = 39,025,166,605,715,408/188,811,021.60
  6. Step 6: Final answer
    x = 206,689,028.40

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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.