Home / 321,209,134.14-481,812,733.53-91,178,413.50

Finding the Fourth Proportional to 321,209,134.14, 481,812,733.53 and 91,178,413.50

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Solution

The fourth proportional to 321,209,134.14, 481,812,733.53 and 91,178,413.50 is: 136,767,345.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    321,209,134.14 : 481,812,733.53 = 91,178,413.50 : x
  2. Step 2: Convert to fraction form
    321,209,134.14/481,812,733.53 = 91,178,413.50/x
  3. Step 3: Cross multiply
    321,209,134.14x = 481,812,733.53 × 91,178,413.50
  4. Step 4: Simplify right side
    321,209,134.14x = 43,930,920,647,363,656
  5. Step 5: Solve for x
    x = 43,930,920,647,363,656/321,209,134.14
  6. Step 6: Final answer
    x = 136,767,345.56

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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.