Home / 71,869,335.40-107,804,003.10-39,508,733.80

Finding the Fourth Proportional to 71,869,335.40, 107,804,003.10 and 39,508,733.80

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Solution

The fourth proportional to 71,869,335.40, 107,804,003.10 and 39,508,733.80 is: 59,263,100.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,869,335.40 : 107,804,003.10 = 39,508,733.80 : x
  2. Step 2: Convert to fraction form
    71,869,335.40/107,804,003.10 = 39,508,733.80/x
  3. Step 3: Cross multiply
    71,869,335.40x = 107,804,003.10 × 39,508,733.80
  4. Step 4: Simplify right side
    71,869,335.40x = 4,259,199,661,052,274
  5. Step 5: Solve for x
    x = 4,259,199,661,052,274/71,869,335.40
  6. Step 6: Final answer
    x = 59,263,100.70

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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.