Home / 67,147,234.80-100,720,852.20-46,739,900.40

Finding the Fourth Proportional to 67,147,234.80, 100,720,852.20 and 46,739,900.40

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Solution

The fourth proportional to 67,147,234.80, 100,720,852.20 and 46,739,900.40 is: 70,109,850.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,147,234.80 : 100,720,852.20 = 46,739,900.40 : x
  2. Step 2: Convert to fraction form
    67,147,234.80/100,720,852.20 = 46,739,900.40/x
  3. Step 3: Cross multiply
    67,147,234.80x = 100,720,852.20 × 46,739,900.40
  4. Step 4: Simplify right side
    67,147,234.80x = 4,707,682,600,031,121
  5. Step 5: Solve for x
    x = 4,707,682,600,031,121/67,147,234.80
  6. Step 6: Final answer
    x = 70,109,850.60

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Similar ratio
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1.5x scale

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.