Home / 86,634,942.30-129,952,413.45-35,553,620.70

Finding the Fourth Proportional to 86,634,942.30, 129,952,413.45 and 35,553,620.70

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Solution

The fourth proportional to 86,634,942.30, 129,952,413.45 and 35,553,620.70 is: 53,330,431.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,634,942.30 : 129,952,413.45 = 35,553,620.70 : x
  2. Step 2: Convert to fraction form
    86,634,942.30/129,952,413.45 = 35,553,620.70/x
  3. Step 3: Cross multiply
    86,634,942.30x = 129,952,413.45 × 35,553,620.70
  4. Step 4: Simplify right side
    86,634,942.30x = 4,620,278,816,850,879
  5. Step 5: Solve for x
    x = 4,620,278,816,850,879/86,634,942.30
  6. Step 6: Final answer
    x = 53,330,431.05

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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.