Home / 119,782,904.70-165,300,906.70-64,778,761.20

Finding the Fourth Proportional to 119,782,904.70, 165,300,906.70 and 64,778,761.20

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Solution

The fourth proportional to 119,782,904.70, 165,300,906.70 and 64,778,761.20 is: 89,394,959.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,782,904.70 : 165,300,906.70 = 64,778,761.20 : x
  2. Step 2: Convert to fraction form
    119,782,904.70/165,300,906.70 = 64,778,761.20/x
  3. Step 3: Cross multiply
    119,782,904.70x = 165,300,906.70 × 64,778,761.20
  4. Step 4: Simplify right side
    119,782,904.70x = 10,707,987,961,262,780
  5. Step 5: Solve for x
    x = 10,707,987,961,262,780/119,782,904.70
  6. Step 6: Final answer
    x = 89,394,959.89

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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.