Home / 149,230,413.40-223,845,620.10-90,878,191.60

Finding the Fourth Proportional to 149,230,413.40, 223,845,620.10 and 90,878,191.60

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Solution

The fourth proportional to 149,230,413.40, 223,845,620.10 and 90,878,191.60 is: 136,317,287.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,230,413.40 : 223,845,620.10 = 90,878,191.60 : x
  2. Step 2: Convert to fraction form
    149,230,413.40/223,845,620.10 = 90,878,191.60/x
  3. Step 3: Cross multiply
    149,230,413.40x = 223,845,620.10 × 90,878,191.60
  4. Step 4: Simplify right side
    149,230,413.40x = 20,342,685,152,268,608
  5. Step 5: Solve for x
    x = 20,342,685,152,268,608/149,230,413.40
  6. Step 6: Final answer
    x = 136,317,287.40

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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.