Home / 205,964,748.81-284,236,478.64-111,878,866.17

Finding the Fourth Proportional to 205,964,748.81, 284,236,478.64 and 111,878,866.17

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Solution

The fourth proportional to 205,964,748.81, 284,236,478.64 and 111,878,866.17 is: 154,395,619.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,964,748.81 : 284,236,478.64 = 111,878,866.17 : x
  2. Step 2: Convert to fraction form
    205,964,748.81/284,236,478.64 = 111,878,866.17/x
  3. Step 3: Cross multiply
    205,964,748.81x = 284,236,478.64 × 111,878,866.17
  4. Step 4: Simplify right side
    205,964,748.81x = 31,800,054,954,396,624
  5. Step 5: Solve for x
    x = 31,800,054,954,396,624/205,964,748.81
  6. Step 6: Final answer
    x = 154,395,619.34

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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.