Home / 81,228,322.98-112,096,606.50-49,850,644.23

Finding the Fourth Proportional to 81,228,322.98, 112,096,606.50 and 49,850,644.23

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Solution

The fourth proportional to 81,228,322.98, 112,096,606.50 and 49,850,644.23 is: 68,794,822.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,228,322.98 : 112,096,606.50 = 49,850,644.23 : x
  2. Step 2: Convert to fraction form
    81,228,322.98/112,096,606.50 = 49,850,644.23/x
  3. Step 3: Cross multiply
    81,228,322.98x = 112,096,606.50 × 49,850,644.23
  4. Step 4: Simplify right side
    81,228,322.98x = 5,588,088,050,021,805
  5. Step 5: Solve for x
    x = 5,588,088,050,021,805/81,228,322.98
  6. Step 6: Final answer
    x = 68,794,822.36

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1.5x scale

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.