Home / 218,459,851.65-327,692,617.19-72,893,413.05

Finding the Fourth Proportional to 218,459,851.65, 327,692,617.19 and 72,893,413.05

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Solution

The fourth proportional to 218,459,851.65, 327,692,617.19 and 72,893,413.05 is: 109,341,067.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,459,851.65 : 327,692,617.19 = 72,893,413.05 : x
  2. Step 2: Convert to fraction form
    218,459,851.65/327,692,617.19 = 72,893,413.05/x
  3. Step 3: Cross multiply
    218,459,851.65x = 327,692,617.19 × 72,893,413.05
  4. Step 4: Simplify right side
    218,459,851.65x = 23,886,633,298,266,200
  5. Step 5: Solve for x
    x = 23,886,633,298,266,200/218,459,851.65
  6. Step 6: Final answer
    x = 109,341,067.10

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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.