Home / 107,218,906.80-160,828,360.20-30,540,937.20

Finding the Fourth Proportional to 107,218,906.80, 160,828,360.20 and 30,540,937.20

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Solution

The fourth proportional to 107,218,906.80, 160,828,360.20 and 30,540,937.20 is: 45,811,405.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,218,906.80 : 160,828,360.20 = 30,540,937.20 : x
  2. Step 2: Convert to fraction form
    107,218,906.80/160,828,360.20 = 30,540,937.20/x
  3. Step 3: Cross multiply
    107,218,906.80x = 160,828,360.20 × 30,540,937.20
  4. Step 4: Simplify right side
    107,218,906.80x = 4,911,848,848,847,179
  5. Step 5: Solve for x
    x = 4,911,848,848,847,179/107,218,906.80
  6. Step 6: Final answer
    x = 45,811,405.80

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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.