Home / 262,358,781.30-393,776,117.55-133,056,342.90

Finding the Fourth Proportional to 262,358,781.30, 393,776,117.55 and 133,056,342.90

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Solution

The fourth proportional to 262,358,781.30, 393,776,117.55 and 133,056,342.90 is: 199,705,189.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,358,781.30 : 393,776,117.55 = 133,056,342.90 : x
  2. Step 2: Convert to fraction form
    262,358,781.30/393,776,117.55 = 133,056,342.90/x
  3. Step 3: Cross multiply
    262,358,781.30x = 393,776,117.55 × 133,056,342.90
  4. Step 4: Simplify right side
    262,358,781.30x = 52,394,410,122,563,512
  5. Step 5: Solve for x
    x = 52,394,410,122,563,512/262,358,781.30
  6. Step 6: Final answer
    x = 199,705,189.45

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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.