Home / 242,528,413.60-363,795,730.80-80,970,349.60

Finding the Fourth Proportional to 242,528,413.60, 363,795,730.80 and 80,970,349.60

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Solution

The fourth proportional to 242,528,413.60, 363,795,730.80 and 80,970,349.60 is: 121,456,562.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,528,413.60 : 363,795,730.80 = 80,970,349.60 : x
  2. Step 2: Convert to fraction form
    242,528,413.60/363,795,730.80 = 80,970,349.60/x
  3. Step 3: Cross multiply
    242,528,413.60x = 363,795,730.80 × 80,970,349.60
  4. Step 4: Simplify right side
    242,528,413.60x = 29,456,667,505,863,488
  5. Step 5: Solve for x
    x = 29,456,667,505,863,488/242,528,413.60
  6. Step 6: Final answer
    x = 121,456,562.84

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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.