Home / 188,637,286.77-260,316,789.35-106,130,874.69

Finding the Fourth Proportional to 188,637,286.77, 260,316,789.35 and 106,130,874.69

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Solution

The fourth proportional to 188,637,286.77, 260,316,789.35 and 106,130,874.69 is: 146,459,106.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,637,286.77 : 260,316,789.35 = 106,130,874.69 : x
  2. Step 2: Convert to fraction form
    188,637,286.77/260,316,789.35 = 106,130,874.69/x
  3. Step 3: Cross multiply
    188,637,286.77x = 260,316,789.35 × 106,130,874.69
  4. Step 4: Simplify right side
    188,637,286.77x = 27,627,648,550,207,976
  5. Step 5: Solve for x
    x = 27,627,648,550,207,976/188,637,286.77
  6. Step 6: Final answer
    x = 146,459,106.91

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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.