Home / 119,782,919.27-165,300,926.58-64,778,775.77

Finding the Fourth Proportional to 119,782,919.27, 165,300,926.58 and 64,778,775.77

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Solution

The fourth proportional to 119,782,919.27, 165,300,926.58 and 64,778,775.77 is: 89,394,979.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,782,919.27 : 165,300,926.58 = 64,778,775.77 : x
  2. Step 2: Convert to fraction form
    119,782,919.27/165,300,926.58 = 64,778,775.77/x
  3. Step 3: Cross multiply
    119,782,919.27x = 165,300,926.58 × 64,778,775.77
  4. Step 4: Simplify right side
    119,782,919.27x = 10,707,991,657,912,306
  5. Step 5: Solve for x
    x = 10,707,991,657,912,306/119,782,919.27
  6. Step 6: Final answer
    x = 89,394,979.88

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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.