Home / 126,032,181.84-188,972,690.04-57,789,383.76

Finding the Fourth Proportional to 126,032,181.84, 188,972,690.04 and 57,789,383.76

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Solution

The fourth proportional to 126,032,181.84, 188,972,690.04 and 57,789,383.76 is: 86,649,418.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,032,181.84 : 188,972,690.04 = 57,789,383.76 : x
  2. Step 2: Convert to fraction form
    126,032,181.84/188,972,690.04 = 57,789,383.76/x
  3. Step 3: Cross multiply
    126,032,181.84x = 188,972,690.04 × 57,789,383.76
  4. Step 4: Simplify right side
    126,032,181.84x = 10,920,615,304,881,088
  5. Step 5: Solve for x
    x = 10,920,615,304,881,088/126,032,181.84
  6. Step 6: Final answer
    x = 86,649,418.79

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.