Home / 278,262,002.80-417,393,004.20-96,509,180.80

Finding the Fourth Proportional to 278,262,002.80, 417,393,004.20 and 96,509,180.80

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Solution

The fourth proportional to 278,262,002.80, 417,393,004.20 and 96,509,180.80 is: 144,763,771.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    278,262,002.80 : 417,393,004.20 = 96,509,180.80 : x
  2. Step 2: Convert to fraction form
    278,262,002.80/417,393,004.20 = 96,509,180.80/x
  3. Step 3: Cross multiply
    278,262,002.80x = 417,393,004.20 × 96,509,180.80
  4. Step 4: Simplify right side
    278,262,002.80x = 40,282,256,906,992,960
  5. Step 5: Solve for x
    x = 40,282,256,906,992,960/278,262,002.80
  6. Step 6: Final answer
    x = 144,763,771.20

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.