Home / 86,435,650.40-129,653,697.03-35,317,669.21

Finding the Fourth Proportional to 86,435,650.40, 129,653,697.03 and 35,317,669.21

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Solution

The fourth proportional to 86,435,650.40, 129,653,697.03 and 35,317,669.21 is: 52,976,594.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,435,650.40 : 129,653,697.03 = 35,317,669.21 : x
  2. Step 2: Convert to fraction form
    86,435,650.40/129,653,697.03 = 35,317,669.21/x
  3. Step 3: Cross multiply
    86,435,650.40x = 129,653,697.03 × 35,317,669.21
  4. Step 4: Simplify right side
    86,435,650.40x = 4,579,066,383,102,525
  5. Step 5: Solve for x
    x = 4,579,066,383,102,525/86,435,650.40
  6. Step 6: Final answer
    x = 52,976,594.29

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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.