Home / 138,808,253.06-206,971,396.97-134,994,582.64

Finding the Fourth Proportional to 138,808,253.06, 206,971,396.97 and 134,994,582.64

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Solution

The fourth proportional to 138,808,253.06, 206,971,396.97 and 134,994,582.64 is: 201,284,986.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,808,253.06 : 206,971,396.97 = 134,994,582.64 : x
  2. Step 2: Convert to fraction form
    138,808,253.06/206,971,396.97 = 134,994,582.64/x
  3. Step 3: Cross multiply
    138,808,253.06x = 206,971,396.97 × 134,994,582.64
  4. Step 4: Simplify right side
    138,808,253.06x = 27,940,017,352,382,908
  5. Step 5: Solve for x
    x = 27,940,017,352,382,908/138,808,253.06
  6. Step 6: Final answer
    x = 201,284,986.57

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.