Home / 73,252,829,515.30-109,879,244,272.95-18,107,677,003.30

Finding the Fourth Proportional to 73,252,829,515.30, 109,879,244,272.95 and 18,107,677,003.30

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Solution

The fourth proportional to 73,252,829,515.30, 109,879,244,272.95 and 18,107,677,003.30 is: 27,161,515,504.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,252,829,515.30 : 109,879,244,272.95 = 18,107,677,003.30 : x
  2. Step 2: Convert to fraction form
    73,252,829,515.30/109,879,244,272.95 = 18,107,677,003.30/x
  3. Step 3: Cross multiply
    73,252,829,515.30x = 109,879,244,272.95 × 18,107,677,003.30
  4. Step 4: Simplify right side
    73,252,829,515.30x = 1,989,657,864,661,279,703,040
  5. Step 5: Solve for x
    x = 1,989,657,864,661,279,703,040/73,252,829,515.30
  6. Step 6: Final answer
    x = 27,161,515,504.95

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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.