Home / 66,331,170,043.80-99,496,755,065.70-54,553,587,178.20

Finding the Fourth Proportional to 66,331,170,043.80, 99,496,755,065.70 and 54,553,587,178.20

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Solution

The fourth proportional to 66,331,170,043.80, 99,496,755,065.70 and 54,553,587,178.20 is: 81,830,380,767.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,331,170,043.80 : 99,496,755,065.70 = 54,553,587,178.20 : x
  2. Step 2: Convert to fraction form
    66,331,170,043.80/99,496,755,065.70 = 54,553,587,178.20/x
  3. Step 3: Cross multiply
    66,331,170,043.80x = 99,496,755,065.70 × 54,553,587,178.20
  4. Step 4: Simplify right side
    66,331,170,043.80x = 5,427,904,901,424,677,388,288
  5. Step 5: Solve for x
    x = 5,427,904,901,424,677,388,288/66,331,170,043.80
  6. Step 6: Final answer
    x = 81,830,380,767.30

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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.