Home / 86,852,476.13-130,251,103.45-28,546,706.21

Finding the Fourth Proportional to 86,852,476.13, 130,251,103.45 and 28,546,706.21

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Solution

The fourth proportional to 86,852,476.13, 130,251,103.45 and 28,546,706.21 is: 42,810,984.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,852,476.13 : 130,251,103.45 = 28,546,706.21 : x
  2. Step 2: Convert to fraction form
    86,852,476.13/130,251,103.45 = 28,546,706.21/x
  3. Step 3: Cross multiply
    86,852,476.13x = 130,251,103.45 × 28,546,706.21
  4. Step 4: Simplify right side
    86,852,476.13x = 3,718,239,982,992,845
  5. Step 5: Solve for x
    x = 3,718,239,982,992,845/86,852,476.13
  6. Step 6: Final answer
    x = 42,810,984.20

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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.