Home / 51,361,200.23-70,882,940.36-28,160,811.23

Finding the Fourth Proportional to 51,361,200.23, 70,882,940.36 and 28,160,811.23

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Solution

The fourth proportional to 51,361,200.23, 70,882,940.36 and 28,160,811.23 is: 38,864,378.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,361,200.23 : 70,882,940.36 = 28,160,811.23 : x
  2. Step 2: Convert to fraction form
    51,361,200.23/70,882,940.36 = 28,160,811.23/x
  3. Step 3: Cross multiply
    51,361,200.23x = 70,882,940.36 × 28,160,811.23
  4. Step 4: Simplify right side
    51,361,200.23x = 1,996,121,102,410,089.75
  5. Step 5: Solve for x
    x = 1,996,121,102,410,089.75/51,361,200.23
  6. Step 6: Final answer
    x = 38,864,378.05

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.