Home / 83,711,270.94-115,528,024.79-50,222,004.81

Finding the Fourth Proportional to 83,711,270.94, 115,528,024.79 and 50,222,004.81

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Solution

The fourth proportional to 83,711,270.94, 115,528,024.79 and 50,222,004.81 is: 69,310,248.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,711,270.94 : 115,528,024.79 = 50,222,004.81 : x
  2. Step 2: Convert to fraction form
    83,711,270.94/115,528,024.79 = 50,222,004.81/x
  3. Step 3: Cross multiply
    83,711,270.94x = 115,528,024.79 × 50,222,004.81
  4. Step 4: Simplify right side
    83,711,270.94x = 5,802,049,016,442,069
  5. Step 5: Solve for x
    x = 5,802,049,016,442,069/83,711,270.94
  6. Step 6: Final answer
    x = 69,310,248.80

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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.