Home / 262,843,831.40-394,265,747.10-221,232,001.10

Finding the Fourth Proportional to 262,843,831.40, 394,265,747.10 and 221,232,001.10

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Solution

The fourth proportional to 262,843,831.40, 394,265,747.10 and 221,232,001.10 is: 331,848,001.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,843,831.40 : 394,265,747.10 = 221,232,001.10 : x
  2. Step 2: Convert to fraction form
    262,843,831.40/394,265,747.10 = 221,232,001.10/x
  3. Step 3: Cross multiply
    262,843,831.40x = 394,265,747.10 × 221,232,001.10
  4. Step 4: Simplify right side
    262,843,831.40x = 87,224,200,196,119,520
  5. Step 5: Solve for x
    x = 87,224,200,196,119,520/262,843,831.40
  6. Step 6: Final answer
    x = 331,848,001.65

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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.