Home / 69,908,523.12-96,434,255.16-43,757,640.72

Finding the Fourth Proportional to 69,908,523.12, 96,434,255.16 and 43,757,640.72

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Solution

The fourth proportional to 69,908,523.12, 96,434,255.16 and 43,757,640.72 is: 60,360,815.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,908,523.12 : 96,434,255.16 = 43,757,640.72 : x
  2. Step 2: Convert to fraction form
    69,908,523.12/96,434,255.16 = 43,757,640.72/x
  3. Step 3: Cross multiply
    69,908,523.12x = 96,434,255.16 × 43,757,640.72
  4. Step 4: Simplify right side
    69,908,523.12x = 4,219,735,490,392,086
  5. Step 5: Solve for x
    x = 4,219,735,490,392,086/69,908,523.12
  6. Step 6: Final answer
    x = 60,360,815.85

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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.