Home / 35,428,081.20-53,142,121.80-30,949,105.20

Finding the Fourth Proportional to 35,428,081.20, 53,142,121.80 and 30,949,105.20

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Solution

The fourth proportional to 35,428,081.20, 53,142,121.80 and 30,949,105.20 is: 46,423,657.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,428,081.20 : 53,142,121.80 = 30,949,105.20 : x
  2. Step 2: Convert to fraction form
    35,428,081.20/53,142,121.80 = 30,949,105.20/x
  3. Step 3: Cross multiply
    35,428,081.20x = 53,142,121.80 × 30,949,105.20
  4. Step 4: Simplify right side
    35,428,081.20x = 1,644,701,118,139,413.25
  5. Step 5: Solve for x
    x = 1,644,701,118,139,413.25/35,428,081.20
  6. Step 6: Final answer
    x = 46,423,657.80

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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.