Home / 56,172,767.27-77,520,812.85-31,392,953.37

Finding the Fourth Proportional to 56,172,767.27, 77,520,812.85 and 31,392,953.37

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Solution

The fourth proportional to 56,172,767.27, 77,520,812.85 and 31,392,953.37 is: 43,323,613.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,172,767.27 : 77,520,812.85 = 31,392,953.37 : x
  2. Step 2: Convert to fraction form
    56,172,767.27/77,520,812.85 = 31,392,953.37/x
  3. Step 3: Cross multiply
    56,172,767.27x = 77,520,812.85 × 31,392,953.37
  4. Step 4: Simplify right side
    56,172,767.27x = 2,433,607,263,004,546.50
  5. Step 5: Solve for x
    x = 2,433,607,263,004,546.50/56,172,767.27
  6. Step 6: Final answer
    x = 43,323,613.59

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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.