Home / 119,790,698.50-165,311,164.20-64,786,555

Finding the Fourth Proportional to 119,790,698.50, 165,311,164.20 and 64,786,555

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Solution

The fourth proportional to 119,790,698.50, 165,311,164.20 and 64,786,555 is: 89,405,446.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,790,698.50 : 165,311,164.20 = 64,786,555 : x
  2. Step 2: Convert to fraction form
    119,790,698.50/165,311,164.20 = 64,786,555/x
  3. Step 3: Cross multiply
    119,790,698.50x = 165,311,164.20 × 64,786,555
  4. Step 4: Simplify right side
    119,790,698.50x = 10,709,940,831,557,330
  5. Step 5: Solve for x
    x = 10,709,940,831,557,330/119,790,698.50
  6. Step 6: Final answer
    x = 89,405,446.05

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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.