Home / 262,991,607.90-394,487,411.85-109,747,643.10

Finding the Fourth Proportional to 262,991,607.90, 394,487,411.85 and 109,747,643.10

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Solution

The fourth proportional to 262,991,607.90, 394,487,411.85 and 109,747,643.10 is: 164,621,464.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,991,607.90 : 394,487,411.85 = 109,747,643.10 : x
  2. Step 2: Convert to fraction form
    262,991,607.90/394,487,411.85 = 109,747,643.10/x
  3. Step 3: Cross multiply
    262,991,607.90x = 394,487,411.85 × 109,747,643.10
  4. Step 4: Simplify right side
    262,991,607.90x = 43,294,063,683,156,512
  5. Step 5: Solve for x
    x = 43,294,063,683,156,512/262,991,607.90
  6. Step 6: Final answer
    x = 164,621,464.65

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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.