Home / 86,674,671.53-130,010,185.79-21,096,175.14

Finding the Fourth Proportional to 86,674,671.53, 130,010,185.79 and 21,096,175.14

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Solution

The fourth proportional to 86,674,671.53, 130,010,185.79 and 21,096,175.14 is: 31,643,819.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,674,671.53 : 130,010,185.79 = 21,096,175.14 : x
  2. Step 2: Convert to fraction form
    86,674,671.53/130,010,185.79 = 21,096,175.14/x
  3. Step 3: Cross multiply
    86,674,671.53x = 130,010,185.79 × 21,096,175.14
  4. Step 4: Simplify right side
    86,674,671.53x = 2,742,717,649,383,409
  5. Step 5: Solve for x
    x = 2,742,717,649,383,409/86,674,671.53
  6. Step 6: Final answer
    x = 31,643,819.37

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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.