Home / 67,444,212.45-101,169,997.80-21,382,750.23

Finding the Fourth Proportional to 67,444,212.45, 101,169,997.80 and 21,382,750.23

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Solution

The fourth proportional to 67,444,212.45, 101,169,997.80 and 21,382,750.23 is: 32,075,291.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,444,212.45 : 101,169,997.80 = 21,382,750.23 : x
  2. Step 2: Convert to fraction form
    67,444,212.45/101,169,997.80 = 21,382,750.23/x
  3. Step 3: Cross multiply
    67,444,212.45x = 101,169,997.80 × 21,382,750.23
  4. Step 4: Simplify right side
    67,444,212.45x = 2,163,292,793,727,049.50
  5. Step 5: Solve for x
    x = 2,163,292,793,727,049.50/67,444,212.45
  6. Step 6: Final answer
    x = 32,075,291.79

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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.