Home / 262,827,440.73-393,963,150.42-98,994,311.82

Finding the Fourth Proportional to 262,827,440.73, 393,963,150.42 and 98,994,311.82

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Solution

The fourth proportional to 262,827,440.73, 393,963,150.42 and 98,994,311.82 is: 148,386,754.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,827,440.73 : 393,963,150.42 = 98,994,311.82 : x
  2. Step 2: Convert to fraction form
    262,827,440.73/393,963,150.42 = 98,994,311.82/x
  3. Step 3: Cross multiply
    262,827,440.73x = 393,963,150.42 × 98,994,311.82
  4. Step 4: Simplify right side
    262,827,440.73x = 39,000,110,958,267,040
  5. Step 5: Solve for x
    x = 39,000,110,958,267,040/262,827,440.73
  6. Step 6: Final answer
    x = 148,386,754.63

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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.