Home / 141,769,351.40-212,654,027.10-83,417,129.60

Finding the Fourth Proportional to 141,769,351.40, 212,654,027.10 and 83,417,129.60

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Solution

The fourth proportional to 141,769,351.40, 212,654,027.10 and 83,417,129.60 is: 125,125,694.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,769,351.40 : 212,654,027.10 = 83,417,129.60 : x
  2. Step 2: Convert to fraction form
    141,769,351.40/212,654,027.10 = 83,417,129.60/x
  3. Step 3: Cross multiply
    141,769,351.40x = 212,654,027.10 × 83,417,129.60
  4. Step 4: Simplify right side
    141,769,351.40x = 17,738,988,538,562,610
  5. Step 5: Solve for x
    x = 17,738,988,538,562,610/141,769,351.40
  6. Step 6: Final answer
    x = 125,125,694.40

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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.