Home / 220,817,503.20-331,242,001.20-67,463,313.60

Finding the Fourth Proportional to 220,817,503.20, 331,242,001.20 and 67,463,313.60

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Solution

The fourth proportional to 220,817,503.20, 331,242,001.20 and 67,463,313.60 is: 101,199,781.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,817,503.20 : 331,242,001.20 = 67,463,313.60 : x
  2. Step 2: Convert to fraction form
    220,817,503.20/331,242,001.20 = 67,463,313.60/x
  3. Step 3: Cross multiply
    220,817,503.20x = 331,242,001.20 × 67,463,313.60
  4. Step 4: Simplify right side
    220,817,503.20x = 22,346,683,004,447,172
  5. Step 5: Solve for x
    x = 22,346,683,004,447,172/220,817,503.20
  6. Step 6: Final answer
    x = 101,199,781.18

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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.