Home / 43,415,601.60-65,160,727.20-19,191,806.40

Finding the Fourth Proportional to 43,415,601.60, 65,160,727.20 and 19,191,806.40

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Solution

The fourth proportional to 43,415,601.60, 65,160,727.20 and 19,191,806.40 is: 28,804,208.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,415,601.60 : 65,160,727.20 = 19,191,806.40 : x
  2. Step 2: Convert to fraction form
    43,415,601.60/65,160,727.20 = 19,191,806.40/x
  3. Step 3: Cross multiply
    43,415,601.60x = 65,160,727.20 × 19,191,806.40
  4. Step 4: Simplify right side
    43,415,601.60x = 1,250,552,061,305,614
  5. Step 5: Solve for x
    x = 1,250,552,061,305,614/43,415,601.60
  6. Step 6: Final answer
    x = 28,804,208.98

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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.