Home / 119,782,884.62-165,300,878.90-64,778,741.12

Finding the Fourth Proportional to 119,782,884.62, 165,300,878.90 and 64,778,741.12

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Solution

The fourth proportional to 119,782,884.62, 165,300,878.90 and 64,778,741.12 is: 89,394,932.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,782,884.62 : 165,300,878.90 = 64,778,741.12 : x
  2. Step 2: Convert to fraction form
    119,782,884.62/165,300,878.90 = 64,778,741.12/x
  3. Step 3: Cross multiply
    119,782,884.62x = 165,300,878.90 × 64,778,741.12
  4. Step 4: Simplify right side
    119,782,884.62x = 10,707,982,840,847,676
  5. Step 5: Solve for x
    x = 10,707,982,840,847,676/119,782,884.62
  6. Step 6: Final answer
    x = 89,394,932.13

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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.