Home / 40,065,310.13-55,290,131.62-22,661,280.77

Finding the Fourth Proportional to 40,065,310.13, 55,290,131.62 and 22,661,280.77

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Solution

The fourth proportional to 40,065,310.13, 55,290,131.62 and 22,661,280.77 is: 31,272,569.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,065,310.13 : 55,290,131.62 = 22,661,280.77 : x
  2. Step 2: Convert to fraction form
    40,065,310.13/55,290,131.62 = 22,661,280.77/x
  3. Step 3: Cross multiply
    40,065,310.13x = 55,290,131.62 × 22,661,280.77
  4. Step 4: Simplify right side
    40,065,310.13x = 1,252,945,196,117,971
  5. Step 5: Solve for x
    x = 1,252,945,196,117,971/40,065,310.13
  6. Step 6: Final answer
    x = 31,272,569.52

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.