Home / 156,546,860.73-234,616,018.46-87,456,873.53

Finding the Fourth Proportional to 156,546,860.73, 234,616,018.46 and 87,456,873.53

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Solution

The fourth proportional to 156,546,860.73, 234,616,018.46 and 87,456,873.53 is: 131,071,190.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,546,860.73 : 234,616,018.46 = 87,456,873.53 : x
  2. Step 2: Convert to fraction form
    156,546,860.73/234,616,018.46 = 87,456,873.53/x
  3. Step 3: Cross multiply
    156,546,860.73x = 234,616,018.46 × 87,456,873.53
  4. Step 4: Simplify right side
    156,546,860.73x = 20,518,783,454,568,368
  5. Step 5: Solve for x
    x = 20,518,783,454,568,368/156,546,860.73
  6. Step 6: Final answer
    x = 131,071,190.82

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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.