Home / 202,161,981.90-303,242,972.85-194,225,796.30

Finding the Fourth Proportional to 202,161,981.90, 303,242,972.85 and 194,225,796.30

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Solution

The fourth proportional to 202,161,981.90, 303,242,972.85 and 194,225,796.30 is: 291,338,694.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,161,981.90 : 303,242,972.85 = 194,225,796.30 : x
  2. Step 2: Convert to fraction form
    202,161,981.90/303,242,972.85 = 194,225,796.30/x
  3. Step 3: Cross multiply
    202,161,981.90x = 303,242,972.85 × 194,225,796.30
  4. Step 4: Simplify right side
    202,161,981.90x = 58,897,607,874,170,536
  5. Step 5: Solve for x
    x = 58,897,607,874,170,536/202,161,981.90
  6. Step 6: Final answer
    x = 291,338,694.45

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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.