Home / 50,869,679.76-70,215,964.56-40,434,212.97

Finding the Fourth Proportional to 50,869,679.76, 70,215,964.56 and 40,434,212.97

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Solution

The fourth proportional to 50,869,679.76, 70,215,964.56 and 40,434,212.97 is: 55,811,777.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,869,679.76 : 70,215,964.56 = 40,434,212.97 : x
  2. Step 2: Convert to fraction form
    50,869,679.76/70,215,964.56 = 40,434,212.97/x
  3. Step 3: Cross multiply
    50,869,679.76x = 70,215,964.56 × 40,434,212.97
  4. Step 4: Simplify right side
    50,869,679.76x = 2,839,127,264,913,012.50
  5. Step 5: Solve for x
    x = 2,839,127,264,913,012.50/50,869,679.76
  6. Step 6: Final answer
    x = 55,811,777.83

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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.