Home / 86,936,709.40-130,405,064.10-26,344,562.20

Finding the Fourth Proportional to 86,936,709.40, 130,405,064.10 and 26,344,562.20

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Solution

The fourth proportional to 86,936,709.40, 130,405,064.10 and 26,344,562.20 is: 39,516,843.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,936,709.40 : 130,405,064.10 = 26,344,562.20 : x
  2. Step 2: Convert to fraction form
    86,936,709.40/130,405,064.10 = 26,344,562.20/x
  3. Step 3: Cross multiply
    86,936,709.40x = 130,405,064.10 × 26,344,562.20
  4. Step 4: Simplify right side
    86,936,709.40x = 3,435,464,322,377,437
  5. Step 5: Solve for x
    x = 3,435,464,322,377,437/86,936,709.40
  6. Step 6: Final answer
    x = 39,516,843.30

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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.