Home / 147,338,982.79-220,970,777.14-43,683,949.92

Finding the Fourth Proportional to 147,338,982.79, 220,970,777.14 and 43,683,949.92

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Solution

The fourth proportional to 147,338,982.79, 220,970,777.14 and 43,683,949.92 is: 65,514,748.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,338,982.79 : 220,970,777.14 = 43,683,949.92 : x
  2. Step 2: Convert to fraction form
    147,338,982.79/220,970,777.14 = 43,683,949.92/x
  3. Step 3: Cross multiply
    147,338,982.79x = 220,970,777.14 × 43,683,949.92
  4. Step 4: Simplify right side
    147,338,982.79x = 9,652,876,363,004,982
  5. Step 5: Solve for x
    x = 9,652,876,363,004,982/147,338,982.79
  6. Step 6: Final answer
    x = 65,514,748.24

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.