Home / 51,850,696.96-77,725,494.88-20,717,073.28

Finding the Fourth Proportional to 51,850,696.96, 77,725,494.88 and 20,717,073.28

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Solution

The fourth proportional to 51,850,696.96, 77,725,494.88 and 20,717,073.28 is: 31,055,412.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,850,696.96 : 77,725,494.88 = 20,717,073.28 : x
  2. Step 2: Convert to fraction form
    51,850,696.96/77,725,494.88 = 20,717,073.28/x
  3. Step 3: Cross multiply
    51,850,696.96x = 77,725,494.88 × 20,717,073.28
  4. Step 4: Simplify right side
    51,850,696.96x = 1,610,244,773,153,224.75
  5. Step 5: Solve for x
    x = 1,610,244,773,153,224.75/51,850,696.96
  6. Step 6: Final answer
    x = 31,055,412.32

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.