Home / 67,147,213.80-100,720,820.70-46,739,879.40

Finding the Fourth Proportional to 67,147,213.80, 100,720,820.70 and 46,739,879.40

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Solution

The fourth proportional to 67,147,213.80, 100,720,820.70 and 46,739,879.40 is: 70,109,819.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,147,213.80 : 100,720,820.70 = 46,739,879.40 : x
  2. Step 2: Convert to fraction form
    67,147,213.80/100,720,820.70 = 46,739,879.40/x
  3. Step 3: Cross multiply
    67,147,213.80x = 100,720,820.70 × 46,739,879.40
  4. Step 4: Simplify right side
    67,147,213.80x = 4,707,679,012,587,024
  5. Step 5: Solve for x
    x = 4,707,679,012,587,024/67,147,213.80
  6. Step 6: Final answer
    x = 70,109,819.10

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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.