Home / 141,743,365.70-212,615,048.55-121,336,031.30

Finding the Fourth Proportional to 141,743,365.70, 212,615,048.55 and 121,336,031.30

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Solution

The fourth proportional to 141,743,365.70, 212,615,048.55 and 121,336,031.30 is: 182,004,046.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,743,365.70 : 212,615,048.55 = 121,336,031.30 : x
  2. Step 2: Convert to fraction form
    141,743,365.70/212,615,048.55 = 121,336,031.30/x
  3. Step 3: Cross multiply
    141,743,365.70x = 212,615,048.55 × 121,336,031.30
  4. Step 4: Simplify right side
    141,743,365.70x = 25,797,866,185,713,820
  5. Step 5: Solve for x
    x = 25,797,866,185,713,820/141,743,365.70
  6. Step 6: Final answer
    x = 182,004,046.95

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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.