Home / 307,897,272-424,894,850.40-166,764,981.54

Finding the Fourth Proportional to 307,897,272, 424,894,850.40 and 166,764,981.54

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Solution

The fourth proportional to 307,897,272, 424,894,850.40 and 166,764,981.54 is: 230,133,841.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,897,272 : 424,894,850.40 = 166,764,981.54 : x
  2. Step 2: Convert to fraction form
    307,897,272/424,894,850.40 = 166,764,981.54/x
  3. Step 3: Cross multiply
    307,897,272x = 424,894,850.40 × 166,764,981.54
  4. Step 4: Simplify right side
    307,897,272x = 70,857,581,883,397,056
  5. Step 5: Solve for x
    x = 70,857,581,883,397,056/307,897,272
  6. Step 6: Final answer
    x = 230,133,841.14

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.