Home / 152,292,129.88-210,162,010.74-82,675,720.84

Finding the Fourth Proportional to 152,292,129.88, 210,162,010.74 and 82,675,720.84

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Solution

The fourth proportional to 152,292,129.88, 210,162,010.74 and 82,675,720.84 is: 114,091,882.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,292,129.88 : 210,162,010.74 = 82,675,720.84 : x
  2. Step 2: Convert to fraction form
    152,292,129.88/210,162,010.74 = 82,675,720.84/x
  3. Step 3: Cross multiply
    152,292,129.88x = 210,162,010.74 × 82,675,720.84
  4. Step 4: Simplify right side
    152,292,129.88x = 17,375,295,730,197,322
  5. Step 5: Solve for x
    x = 17,375,295,730,197,322/152,292,129.88
  6. Step 6: Final answer
    x = 114,091,882.12

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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.