Home / 39,087,199,690.80-53,936,019,528.87-21,936,119,179.15

Finding the Fourth Proportional to 39,087,199,690.80, 53,936,019,528.87 and 21,936,119,179.15

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Solution

The fourth proportional to 39,087,199,690.80, 53,936,019,528.87 and 21,936,119,179.15 is: 30,269,422,260.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,087,199,690.80 : 53,936,019,528.87 = 21,936,119,179.15 : x
  2. Step 2: Convert to fraction form
    39,087,199,690.80/53,936,019,528.87 = 21,936,119,179.15/x
  3. Step 3: Cross multiply
    39,087,199,690.80x = 53,936,019,528.87 × 21,936,119,179.15
  4. Step 4: Simplify right side
    39,087,199,690.80x = 1,183,146,952,434,254,348,288
  5. Step 5: Solve for x
    x = 1,183,146,952,434,254,348,288/39,087,199,690.80
  6. Step 6: Final answer
    x = 30,269,422,260.83

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1.5x scale

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.