Home / 136,733,320.65-188,691,991.71-74,853,659.21

Finding the Fourth Proportional to 136,733,320.65, 188,691,991.71 and 74,853,659.21

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Solution

The fourth proportional to 136,733,320.65, 188,691,991.71 and 74,853,659.21 is: 103,298,054.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,733,320.65 : 188,691,991.71 = 74,853,659.21 : x
  2. Step 2: Convert to fraction form
    136,733,320.65/188,691,991.71 = 74,853,659.21/x
  3. Step 3: Cross multiply
    136,733,320.65x = 188,691,991.71 × 74,853,659.21
  4. Step 4: Simplify right side
    136,733,320.65x = 14,124,286,043,116,484
  5. Step 5: Solve for x
    x = 14,124,286,043,116,484/136,733,320.65
  6. Step 6: Final answer
    x = 103,298,054.75

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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.