Home / 319,840,757.07-479,790,413.46-89,808,291.69

Finding the Fourth Proportional to 319,840,757.07, 479,790,413.46 and 89,808,291.69

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Solution

The fourth proportional to 319,840,757.07, 479,790,413.46 and 89,808,291.69 is: 134,720,658.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,840,757.07 : 479,790,413.46 = 89,808,291.69 : x
  2. Step 2: Convert to fraction form
    319,840,757.07/479,790,413.46 = 89,808,291.69/x
  3. Step 3: Cross multiply
    319,840,757.07x = 479,790,413.46 × 89,808,291.69
  4. Step 4: Simplify right side
    319,840,757.07x = 43,089,157,402,081,376
  5. Step 5: Solve for x
    x = 43,089,157,402,081,376/319,840,757.07
  6. Step 6: Final answer
    x = 134,720,658.48

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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.