Home / 43,415,999.20-65,123,998.80-26,381,893.60

Finding the Fourth Proportional to 43,415,999.20, 65,123,998.80 and 26,381,893.60

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Solution

The fourth proportional to 43,415,999.20, 65,123,998.80 and 26,381,893.60 is: 39,572,840.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,415,999.20 : 65,123,998.80 = 26,381,893.60 : x
  2. Step 2: Convert to fraction form
    43,415,999.20/65,123,998.80 = 26,381,893.60/x
  3. Step 3: Cross multiply
    43,415,999.20x = 65,123,998.80 × 26,381,893.60
  4. Step 4: Simplify right side
    43,415,999.20x = 1,718,094,407,148,127.75
  5. Step 5: Solve for x
    x = 1,718,094,407,148,127.75/43,415,999.20
  6. Step 6: Final answer
    x = 39,572,840.40

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Similar ratio
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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.