Home / 119,790,697-165,311,162.13-64,786,553.50

Finding the Fourth Proportional to 119,790,697, 165,311,162.13 and 64,786,553.50

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Solution

The fourth proportional to 119,790,697, 165,311,162.13 and 64,786,553.50 is: 89,405,443.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,790,697 : 165,311,162.13 = 64,786,553.50 : x
  2. Step 2: Convert to fraction form
    119,790,697/165,311,162.13 = 64,786,553.50/x
  3. Step 3: Cross multiply
    119,790,697x = 165,311,162.13 × 64,786,553.50
  4. Step 4: Simplify right side
    119,790,697x = 10,709,940,449,482,418
  5. Step 5: Solve for x
    x = 10,709,940,449,482,418/119,790,697
  6. Step 6: Final answer
    x = 89,405,443.98

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.