Home / 220,747,121.40-330,837,246.90-169,374,491.40

Finding the Fourth Proportional to 220,747,121.40, 330,837,246.90 and 169,374,491.40

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Solution

The fourth proportional to 220,747,121.40, 330,837,246.90 and 169,374,491.40 is: 253,844,263.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,747,121.40 : 330,837,246.90 = 169,374,491.40 : x
  2. Step 2: Convert to fraction form
    220,747,121.40/330,837,246.90 = 169,374,491.40/x
  3. Step 3: Cross multiply
    220,747,121.40x = 330,837,246.90 × 169,374,491.40
  4. Step 4: Simplify right side
    220,747,121.40x = 56,035,390,429,863,728
  5. Step 5: Solve for x
    x = 56,035,390,429,863,728/220,747,121.40
  6. Step 6: Final answer
    x = 253,844,263.40

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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.