Home / 78,389,828.27-117,577,144.45-23,802,893.63

Finding the Fourth Proportional to 78,389,828.27, 117,577,144.45 and 23,802,893.63

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Solution

The fourth proportional to 78,389,828.27, 117,577,144.45 and 23,802,893.63 is: 35,702,033.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,389,828.27 : 117,577,144.45 = 23,802,893.63 : x
  2. Step 2: Convert to fraction form
    78,389,828.27/117,577,144.45 = 23,802,893.63/x
  3. Step 3: Cross multiply
    78,389,828.27x = 117,577,144.45 × 23,802,893.63
  4. Step 4: Simplify right side
    78,389,828.27x = 2,798,676,262,662,495
  5. Step 5: Solve for x
    x = 2,798,676,262,662,495/78,389,828.27
  6. Step 6: Final answer
    x = 35,702,033.34

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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.