Home / 86,972,761.46-130,459,142.26-26,388,487.46

Finding the Fourth Proportional to 86,972,761.46, 130,459,142.26 and 26,388,487.46

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Solution

The fourth proportional to 86,972,761.46, 130,459,142.26 and 26,388,487.46 is: 39,582,731.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,972,761.46 : 130,459,142.26 = 26,388,487.46 : x
  2. Step 2: Convert to fraction form
    86,972,761.46/130,459,142.26 = 26,388,487.46/x
  3. Step 3: Cross multiply
    86,972,761.46x = 130,459,142.26 × 26,388,487.46
  4. Step 4: Simplify right side
    86,972,761.46x = 3,442,619,438,852,098.50
  5. Step 5: Solve for x
    x = 3,442,619,438,852,098.50/86,972,761.46
  6. Step 6: Final answer
    x = 39,582,731.21

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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.