Home / 73,382,581.62-101,268,027.78-40,343,392.87

Finding the Fourth Proportional to 73,382,581.62, 101,268,027.78 and 40,343,392.87

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Solution

The fourth proportional to 73,382,581.62, 101,268,027.78 and 40,343,392.87 is: 55,673,917.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,382,581.62 : 101,268,027.78 = 40,343,392.87 : x
  2. Step 2: Convert to fraction form
    73,382,581.62/101,268,027.78 = 40,343,392.87/x
  3. Step 3: Cross multiply
    73,382,581.62x = 101,268,027.78 × 40,343,392.87
  4. Step 4: Simplify right side
    73,382,581.62x = 4,085,495,829,898,613.50
  5. Step 5: Solve for x
    x = 4,085,495,829,898,613.50/73,382,581.62
  6. Step 6: Final answer
    x = 55,673,917.97

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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.