Home / 119,790,703.50-165,311,171.10-64,786,560

Finding the Fourth Proportional to 119,790,703.50, 165,311,171.10 and 64,786,560

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Solution

The fourth proportional to 119,790,703.50, 165,311,171.10 and 64,786,560 is: 89,405,452.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,790,703.50 : 165,311,171.10 = 64,786,560 : x
  2. Step 2: Convert to fraction form
    119,790,703.50/165,311,171.10 = 64,786,560/x
  3. Step 3: Cross multiply
    119,790,703.50x = 165,311,171.10 × 64,786,560
  4. Step 4: Simplify right side
    119,790,703.50x = 10,709,942,105,140,416
  5. Step 5: Solve for x
    x = 10,709,942,105,140,416/119,790,703.50
  6. Step 6: Final answer
    x = 89,405,452.95

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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.