Home / 55,882,769.38-77,119,936.33-31,104,332.76

Finding the Fourth Proportional to 55,882,769.38, 77,119,936.33 and 31,104,332.76

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Solution

The fourth proportional to 55,882,769.38, 77,119,936.33 and 31,104,332.76 is: 42,924,933.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,882,769.38 : 77,119,936.33 = 31,104,332.76 : x
  2. Step 2: Convert to fraction form
    55,882,769.38/77,119,936.33 = 31,104,332.76/x
  3. Step 3: Cross multiply
    55,882,769.38x = 77,119,936.33 × 31,104,332.76
  4. Step 4: Simplify right side
    55,882,769.38x = 2,398,764,161,874,293
  5. Step 5: Solve for x
    x = 2,398,764,161,874,293/55,882,769.38
  6. Step 6: Final answer
    x = 42,924,933.54

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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.