Home / 49,998,959.15-69,001,242.68-27,971,144.51

Finding the Fourth Proportional to 49,998,959.15, 69,001,242.68 and 27,971,144.51

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Solution

The fourth proportional to 49,998,959.15, 69,001,242.68 and 27,971,144.51 is: 38,601,678.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,998,959.15 : 69,001,242.68 = 27,971,144.51 : x
  2. Step 2: Convert to fraction form
    49,998,959.15/69,001,242.68 = 27,971,144.51/x
  3. Step 3: Cross multiply
    49,998,959.15x = 69,001,242.68 × 27,971,144.51
  4. Step 4: Simplify right side
    49,998,959.15x = 1,930,043,730,232,004
  5. Step 5: Solve for x
    x = 1,930,043,730,232,004/49,998,959.15
  6. Step 6: Final answer
    x = 38,601,678.18

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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.