Home / 78,227,712.60-117,340,985.70-23,640,192.60

Finding the Fourth Proportional to 78,227,712.60, 117,340,985.70 and 23,640,192.60

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Solution

The fourth proportional to 78,227,712.60, 117,340,985.70 and 23,640,192.60 is: 35,460,112.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,227,712.60 : 117,340,985.70 = 23,640,192.60 : x
  2. Step 2: Convert to fraction form
    78,227,712.60/117,340,985.70 = 23,640,192.60/x
  3. Step 3: Cross multiply
    78,227,712.60x = 117,340,985.70 × 23,640,192.60
  4. Step 4: Simplify right side
    78,227,712.60x = 2,773,963,501,821,846
  5. Step 5: Solve for x
    x = 2,773,963,501,821,846/78,227,712.60
  6. Step 6: Final answer
    x = 35,460,112.66

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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.