Home / 86,856,842.33-130,284,979.30-31,524,603.54

Finding the Fourth Proportional to 86,856,842.33, 130,284,979.30 and 31,524,603.54

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Solution

The fourth proportional to 86,856,842.33, 130,284,979.30 and 31,524,603.54 is: 47,286,802.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,856,842.33 : 130,284,979.30 = 31,524,603.54 : x
  2. Step 2: Convert to fraction form
    86,856,842.33/130,284,979.30 = 31,524,603.54/x
  3. Step 3: Cross multiply
    86,856,842.33x = 130,284,979.30 × 31,524,603.54
  4. Step 4: Simplify right side
    86,856,842.33x = 4,107,182,319,200,443.50
  5. Step 5: Solve for x
    x = 4,107,182,319,200,443.50/86,856,842.33
  6. Step 6: Final answer
    x = 47,286,802.16

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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.