Home / 132,578,056.40-198,531,161.40-105,704,200.40

Finding the Fourth Proportional to 132,578,056.40, 198,531,161.40 and 105,704,200.40

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Solution

The fourth proportional to 132,578,056.40, 198,531,161.40 and 105,704,200.40 is: 158,288,469.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,578,056.40 : 198,531,161.40 = 105,704,200.40 : x
  2. Step 2: Convert to fraction form
    132,578,056.40/198,531,161.40 = 105,704,200.40/x
  3. Step 3: Cross multiply
    132,578,056.40x = 198,531,161.40 × 105,704,200.40
  4. Step 4: Simplify right side
    132,578,056.40x = 20,985,577,670,270,348
  5. Step 5: Solve for x
    x = 20,985,577,670,270,348/132,578,056.40
  6. Step 6: Final answer
    x = 158,288,469.75

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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.