Home / 47,013,645.20-70,520,467.80-16,722,496.40

Finding the Fourth Proportional to 47,013,645.20, 70,520,467.80 and 16,722,496.40

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Solution

The fourth proportional to 47,013,645.20, 70,520,467.80 and 16,722,496.40 is: 25,083,744.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,013,645.20 : 70,520,467.80 = 16,722,496.40 : x
  2. Step 2: Convert to fraction form
    47,013,645.20/70,520,467.80 = 16,722,496.40/x
  3. Step 3: Cross multiply
    47,013,645.20x = 70,520,467.80 × 16,722,496.40
  4. Step 4: Simplify right side
    47,013,645.20x = 1,179,278,268,911,816
  5. Step 5: Solve for x
    x = 1,179,278,268,911,816/47,013,645.20
  6. Step 6: Final answer
    x = 25,083,744.60

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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.