Home / 56,071,173.51-77,382,103.64-31,296,193.71

Finding the Fourth Proportional to 56,071,173.51, 77,382,103.64 and 31,296,193.71

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Solution

The fourth proportional to 56,071,173.51, 77,382,103.64 and 31,296,193.71 is: 43,190,915.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,071,173.51 : 77,382,103.64 = 31,296,193.71 : x
  2. Step 2: Convert to fraction form
    56,071,173.51/77,382,103.64 = 31,296,193.71/x
  3. Step 3: Cross multiply
    56,071,173.51x = 77,382,103.64 × 31,296,193.71
  4. Step 4: Simplify right side
    56,071,173.51x = 2,421,765,305,281,414
  5. Step 5: Solve for x
    x = 2,421,765,305,281,414/56,071,173.51
  6. Step 6: Final answer
    x = 43,190,915.29

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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.