Home / 97,880,612.11-135,078,796.03-56,072,757.56

Finding the Fourth Proportional to 97,880,612.11, 135,078,796.03 and 56,072,757.56

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Solution

The fourth proportional to 97,880,612.11, 135,078,796.03 and 56,072,757.56 is: 77,382,439.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,880,612.11 : 135,078,796.03 = 56,072,757.56 : x
  2. Step 2: Convert to fraction form
    97,880,612.11/135,078,796.03 = 56,072,757.56/x
  3. Step 3: Cross multiply
    97,880,612.11x = 135,078,796.03 × 56,072,757.56
  4. Step 4: Simplify right side
    97,880,612.11x = 7,574,240,581,286,881
  5. Step 5: Solve for x
    x = 7,574,240,581,286,881/97,880,612.11
  6. Step 6: Final answer
    x = 77,382,439.87

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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.