Home / 202,161,981.40-303,242,972.10-194,225,795.80

Finding the Fourth Proportional to 202,161,981.40, 303,242,972.10 and 194,225,795.80

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Solution

The fourth proportional to 202,161,981.40, 303,242,972.10 and 194,225,795.80 is: 291,338,693.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,161,981.40 : 303,242,972.10 = 194,225,795.80 : x
  2. Step 2: Convert to fraction form
    202,161,981.40/303,242,972.10 = 194,225,795.80/x
  3. Step 3: Cross multiply
    202,161,981.40x = 303,242,972.10 × 194,225,795.80
  4. Step 4: Simplify right side
    202,161,981.40x = 58,897,607,576,879,704
  5. Step 5: Solve for x
    x = 58,897,607,576,879,704/202,161,981.40
  6. Step 6: Final answer
    x = 291,338,693.70

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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.