Home / 200,523,188.87-300,572,495.15-67,449,362.89

Finding the Fourth Proportional to 200,523,188.87, 300,572,495.15 and 67,449,362.89

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Solution

The fourth proportional to 200,523,188.87, 300,572,495.15 and 67,449,362.89 is: 101,102,637.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,523,188.87 : 300,572,495.15 = 67,449,362.89 : x
  2. Step 2: Convert to fraction form
    200,523,188.87/300,572,495.15 = 67,449,362.89/x
  3. Step 3: Cross multiply
    200,523,188.87x = 300,572,495.15 × 67,449,362.89
  4. Step 4: Simplify right side
    200,523,188.87x = 20,273,423,300,446,120
  5. Step 5: Solve for x
    x = 20,273,423,300,446,120/200,523,188.87
  6. Step 6: Final answer
    x = 101,102,637.63

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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.