Home / 119,782,882.36-165,300,875.78-64,778,738.86

Finding the Fourth Proportional to 119,782,882.36, 165,300,875.78 and 64,778,738.86

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Solution

The fourth proportional to 119,782,882.36, 165,300,875.78 and 64,778,738.86 is: 89,394,929.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,782,882.36 : 165,300,875.78 = 64,778,738.86 : x
  2. Step 2: Convert to fraction form
    119,782,882.36/165,300,875.78 = 64,778,738.86/x
  3. Step 3: Cross multiply
    119,782,882.36x = 165,300,875.78 × 64,778,738.86
  4. Step 4: Simplify right side
    119,782,882.36x = 10,707,982,265,481,918
  5. Step 5: Solve for x
    x = 10,707,982,265,481,918/119,782,882.36
  6. Step 6: Final answer
    x = 89,394,929.01

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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.