Home / 129,828,005.67-194,778,415.91-52,159,449.46

Finding the Fourth Proportional to 129,828,005.67, 194,778,415.91 and 52,159,449.46

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Solution

The fourth proportional to 129,828,005.67, 194,778,415.91 and 52,159,449.46 is: 78,253,801.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,828,005.67 : 194,778,415.91 = 52,159,449.46 : x
  2. Step 2: Convert to fraction form
    129,828,005.67/194,778,415.91 = 52,159,449.46/x
  3. Step 3: Cross multiply
    129,828,005.67x = 194,778,415.91 × 52,159,449.46
  4. Step 4: Simplify right side
    129,828,005.67x = 10,159,534,940,556,504
  5. Step 5: Solve for x
    x = 10,159,534,940,556,504/129,828,005.67
  6. Step 6: Final answer
    x = 78,253,801.16

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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.