Home / 73,137,106.80-100,928,648.16-40,096,960.56

Finding the Fourth Proportional to 73,137,106.80, 100,928,648.16 and 40,096,960.56

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Solution

The fourth proportional to 73,137,106.80, 100,928,648.16 and 40,096,960.56 is: 55,333,498.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,137,106.80 : 100,928,648.16 = 40,096,960.56 : x
  2. Step 2: Convert to fraction form
    73,137,106.80/100,928,648.16 = 40,096,960.56/x
  3. Step 3: Cross multiply
    73,137,106.80x = 100,928,648.16 × 40,096,960.56
  4. Step 4: Simplify right side
    73,137,106.80x = 4,046,932,024,645,636.50
  5. Step 5: Solve for x
    x = 4,046,932,024,645,636.50/73,137,106.80
  6. Step 6: Final answer
    x = 55,333,498.98

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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.