Home / 124,711,487,999.70-187,067,231,999.55-31,654,043,135.70

Finding the Fourth Proportional to 124,711,487,999.70, 187,067,231,999.55 and 31,654,043,135.70

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Solution

The fourth proportional to 124,711,487,999.70, 187,067,231,999.55 and 31,654,043,135.70 is: 47,481,064,703.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,711,487,999.70 : 187,067,231,999.55 = 31,654,043,135.70 : x
  2. Step 2: Convert to fraction form
    124,711,487,999.70/187,067,231,999.55 = 31,654,043,135.70/x
  3. Step 3: Cross multiply
    124,711,487,999.70x = 187,067,231,999.55 × 31,654,043,135.70
  4. Step 4: Simplify right side
    124,711,487,999.70x = 5,921,434,230,989,754,728,448
  5. Step 5: Solve for x
    x = 5,921,434,230,989,754,728,448/124,711,487,999.70
  6. Step 6: Final answer
    x = 47,481,064,703.55

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1.5x scale

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.