Home / 78,391,506.90-117,579,657.15-23,804,564.82

Finding the Fourth Proportional to 78,391,506.90, 117,579,657.15 and 23,804,564.82

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Solution

The fourth proportional to 78,391,506.90, 117,579,657.15 and 23,804,564.82 is: 35,704,538.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,391,506.90 : 117,579,657.15 = 23,804,564.82 : x
  2. Step 2: Convert to fraction form
    78,391,506.90/117,579,657.15 = 23,804,564.82/x
  3. Step 3: Cross multiply
    78,391,506.90x = 117,579,657.15 × 23,804,564.82
  4. Step 4: Simplify right side
    78,391,506.90x = 2,798,932,570,140,551.50
  5. Step 5: Solve for x
    x = 2,798,932,570,140,551.50/78,391,506.90
  6. Step 6: Final answer
    x = 35,704,538.42

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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.