Home / 189,295,213.52-261,227,568.84-102,375,085.52

Finding the Fourth Proportional to 189,295,213.52, 261,227,568.84 and 102,375,085.52

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Solution

The fourth proportional to 189,295,213.52, 261,227,568.84 and 102,375,085.52 is: 141,277,712.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,295,213.52 : 261,227,568.84 = 102,375,085.52 : x
  2. Step 2: Convert to fraction form
    189,295,213.52/261,227,568.84 = 102,375,085.52/x
  3. Step 3: Cross multiply
    189,295,213.52x = 261,227,568.84 × 102,375,085.52
  4. Step 4: Simplify right side
    189,295,213.52x = 26,743,194,700,176,688
  5. Step 5: Solve for x
    x = 26,743,194,700,176,688/189,295,213.52
  6. Step 6: Final answer
    x = 141,277,712.22

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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.