Home / 57,780,721.17-79,673,357.84-36,839,583.81

Finding the Fourth Proportional to 57,780,721.17, 79,673,357.84 and 36,839,583.81

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Solution

The fourth proportional to 57,780,721.17, 79,673,357.84 and 36,839,583.81 is: 50,797,796.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,780,721.17 : 79,673,357.84 = 36,839,583.81 : x
  2. Step 2: Convert to fraction form
    57,780,721.17/79,673,357.84 = 36,839,583.81/x
  3. Step 3: Cross multiply
    57,780,721.17x = 79,673,357.84 × 36,839,583.81
  4. Step 4: Simplify right side
    57,780,721.17x = 2,935,133,343,386,602.50
  5. Step 5: Solve for x
    x = 2,935,133,343,386,602.50/57,780,721.17
  6. Step 6: Final answer
    x = 50,797,796.98

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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.