Home / 49,928,092.80-74,892,139.20-40,858,166.40

Finding the Fourth Proportional to 49,928,092.80, 74,892,139.20 and 40,858,166.40

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Solution

The fourth proportional to 49,928,092.80, 74,892,139.20 and 40,858,166.40 is: 61,287,249.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,928,092.80 : 74,892,139.20 = 40,858,166.40 : x
  2. Step 2: Convert to fraction form
    49,928,092.80/74,892,139.20 = 40,858,166.40/x
  3. Step 3: Cross multiply
    49,928,092.80x = 74,892,139.20 × 40,858,166.40
  4. Step 4: Simplify right side
    49,928,092.80x = 3,059,955,485,485,563
  5. Step 5: Solve for x
    x = 3,059,955,485,485,563/49,928,092.80
  6. Step 6: Final answer
    x = 61,287,249.60

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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.