Home / 67,147,218.80-100,720,828.20-46,739,884.40

Finding the Fourth Proportional to 67,147,218.80, 100,720,828.20 and 46,739,884.40

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Solution

The fourth proportional to 67,147,218.80, 100,720,828.20 and 46,739,884.40 is: 70,109,826.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,147,218.80 : 100,720,828.20 = 46,739,884.40 : x
  2. Step 2: Convert to fraction form
    67,147,218.80/100,720,828.20 = 46,739,884.40/x
  3. Step 3: Cross multiply
    67,147,218.80x = 100,720,828.20 × 46,739,884.40
  4. Step 4: Simplify right side
    67,147,218.80x = 4,707,679,866,740,260
  5. Step 5: Solve for x
    x = 4,707,679,866,740,260/67,147,218.80
  6. Step 6: Final answer
    x = 70,109,826.60

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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.