Home / 86,224,137.63-129,288,354.88-28,684,998.69

Finding the Fourth Proportional to 86,224,137.63, 129,288,354.88 and 28,684,998.69

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Solution

The fourth proportional to 86,224,137.63, 129,288,354.88 and 28,684,998.69 is: 43,011,578.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,224,137.63 : 129,288,354.88 = 28,684,998.69 : x
  2. Step 2: Convert to fraction form
    86,224,137.63/129,288,354.88 = 28,684,998.69/x
  3. Step 3: Cross multiply
    86,224,137.63x = 129,288,354.88 × 28,684,998.69
  4. Step 4: Simplify right side
    86,224,137.63x = 3,708,636,289,862,439.50
  5. Step 5: Solve for x
    x = 3,708,636,289,862,439.50/86,224,137.63
  6. Step 6: Final answer
    x = 43,011,578.80

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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.