Home / 81,169,413.24-121,774,298.69-23,662,189.92

Finding the Fourth Proportional to 81,169,413.24, 121,774,298.69 and 23,662,189.92

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Solution

The fourth proportional to 81,169,413.24, 121,774,298.69 and 23,662,189.92 is: 35,499,167.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,169,413.24 : 121,774,298.69 = 23,662,189.92 : x
  2. Step 2: Convert to fraction form
    81,169,413.24/121,774,298.69 = 23,662,189.92/x
  3. Step 3: Cross multiply
    81,169,413.24x = 121,774,298.69 × 23,662,189.92
  4. Step 4: Simplify right side
    81,169,413.24x = 2,881,446,582,977,587.50
  5. Step 5: Solve for x
    x = 2,881,446,582,977,587.50/81,169,413.24
  6. Step 6: Final answer
    x = 35,499,167.33

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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.