Home / 56,215,906.64-77,569,371.72-31,760,697.68

Finding the Fourth Proportional to 56,215,906.64, 77,569,371.72 and 31,760,697.68

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Solution

The fourth proportional to 56,215,906.64, 77,569,371.72 and 31,760,697.68 is: 43,824,915.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,215,906.64 : 77,569,371.72 = 31,760,697.68 : x
  2. Step 2: Convert to fraction form
    56,215,906.64/77,569,371.72 = 31,760,697.68/x
  3. Step 3: Cross multiply
    56,215,906.64x = 77,569,371.72 × 31,760,697.68
  4. Step 4: Simplify right side
    56,215,906.64x = 2,463,657,364,426,461.50
  5. Step 5: Solve for x
    x = 2,463,657,364,426,461.50/56,215,906.64
  6. Step 6: Final answer
    x = 43,824,915.61

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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.