Home / 78,391,355.60-117,579,429.92-23,804,413.34

Finding the Fourth Proportional to 78,391,355.60, 117,579,429.92 and 23,804,413.34

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Solution

The fourth proportional to 78,391,355.60, 117,579,429.92 and 23,804,413.34 is: 35,704,311.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,391,355.60 : 117,579,429.92 = 23,804,413.34 : x
  2. Step 2: Convert to fraction form
    78,391,355.60/117,579,429.92 = 23,804,413.34/x
  3. Step 3: Cross multiply
    78,391,355.60x = 117,579,429.92 × 23,804,413.34
  4. Step 4: Simplify right side
    78,391,355.60x = 2,798,909,349,390,324
  5. Step 5: Solve for x
    x = 2,798,909,349,390,324/78,391,355.60
  6. Step 6: Final answer
    x = 35,704,311.12

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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.