Home / 86,634,930.80-129,952,396.20-35,553,609.20

Finding the Fourth Proportional to 86,634,930.80, 129,952,396.20 and 35,553,609.20

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Solution

The fourth proportional to 86,634,930.80, 129,952,396.20 and 35,553,609.20 is: 53,330,413.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,634,930.80 : 129,952,396.20 = 35,553,609.20 : x
  2. Step 2: Convert to fraction form
    86,634,930.80/129,952,396.20 = 35,553,609.20/x
  3. Step 3: Cross multiply
    86,634,930.80x = 129,952,396.20 × 35,553,609.20
  4. Step 4: Simplify right side
    86,634,930.80x = 4,620,276,709,098,366
  5. Step 5: Solve for x
    x = 4,620,276,709,098,366/86,634,930.80
  6. Step 6: Final answer
    x = 53,330,413.80

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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.