Home / 167,733,036.30-231,481,117.71-100,772,474.70

Finding the Fourth Proportional to 167,733,036.30, 231,481,117.71 and 100,772,474.70

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Solution

The fourth proportional to 167,733,036.30, 231,481,117.71 and 100,772,474.70 is: 139,071,739.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,733,036.30 : 231,481,117.71 = 100,772,474.70 : x
  2. Step 2: Convert to fraction form
    167,733,036.30/231,481,117.71 = 100,772,474.70/x
  3. Step 3: Cross multiply
    167,733,036.30x = 231,481,117.71 × 100,772,474.70
  4. Step 4: Simplify right side
    167,733,036.30x = 23,326,925,077,958,700
  5. Step 5: Solve for x
    x = 23,326,925,077,958,700/167,733,036.30
  6. Step 6: Final answer
    x = 139,071,739.19

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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.