Home / 119,782,961.20-165,300,984.66-64,778,817.70

Finding the Fourth Proportional to 119,782,961.20, 165,300,984.66 and 64,778,817.70

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Solution

The fourth proportional to 119,782,961.20, 165,300,984.66 and 64,778,817.70 is: 89,395,037.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,782,961.20 : 165,300,984.66 = 64,778,817.70 : x
  2. Step 2: Convert to fraction form
    119,782,961.20/165,300,984.66 = 64,778,817.70/x
  3. Step 3: Cross multiply
    119,782,961.20x = 165,300,984.66 × 64,778,817.70
  4. Step 4: Simplify right side
    119,782,961.20x = 10,708,002,350,920,636
  5. Step 5: Solve for x
    x = 10,708,002,350,920,636/119,782,961.20
  6. Step 6: Final answer
    x = 89,395,037.86

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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.