Home / 86,708,021.06-130,062,030.78-29,195,476.04

Finding the Fourth Proportional to 86,708,021.06, 130,062,030.78 and 29,195,476.04

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Solution

The fourth proportional to 86,708,021.06, 130,062,030.78 and 29,195,476.04 is: 43,793,213.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,708,021.06 : 130,062,030.78 = 29,195,476.04 : x
  2. Step 2: Convert to fraction form
    86,708,021.06/130,062,030.78 = 29,195,476.04/x
  3. Step 3: Cross multiply
    86,708,021.06x = 130,062,030.78 × 29,195,476.04
  4. Step 4: Simplify right side
    86,708,021.06x = 3,797,222,903,351,232.50
  5. Step 5: Solve for x
    x = 3,797,222,903,351,232.50/86,708,021.06
  6. Step 6: Final answer
    x = 43,793,213.79

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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.