Home / 66,715,082.32-92,019,351.90-61,226,182.12

Finding the Fourth Proportional to 66,715,082.32, 92,019,351.90 and 61,226,182.12

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Solution

The fourth proportional to 66,715,082.32, 92,019,351.90 and 61,226,182.12 is: 84,448,574.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,715,082.32 : 92,019,351.90 = 61,226,182.12 : x
  2. Step 2: Convert to fraction form
    66,715,082.32/92,019,351.90 = 61,226,182.12/x
  3. Step 3: Cross multiply
    66,715,082.32x = 92,019,351.90 × 61,226,182.12
  4. Step 4: Simplify right side
    66,715,082.32x = 5,633,993,597,993,768
  5. Step 5: Solve for x
    x = 5,633,993,597,993,768/66,715,082.32
  6. Step 6: Final answer
    x = 84,448,574.48

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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.