Home / 86,674,670.08-130,010,183.62-21,096,173.69

Finding the Fourth Proportional to 86,674,670.08, 130,010,183.62 and 21,096,173.69

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Solution

The fourth proportional to 86,674,670.08, 130,010,183.62 and 21,096,173.69 is: 31,643,817.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,674,670.08 : 130,010,183.62 = 21,096,173.69 : x
  2. Step 2: Convert to fraction form
    86,674,670.08/130,010,183.62 = 21,096,173.69/x
  3. Step 3: Cross multiply
    86,674,670.08x = 130,010,183.62 × 21,096,173.69
  4. Step 4: Simplify right side
    86,674,670.08x = 2,742,717,414,960,551
  5. Step 5: Solve for x
    x = 2,742,717,414,960,551/86,674,670.08
  6. Step 6: Final answer
    x = 31,643,817.19

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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.