Home / 39,153,343.92-58,669,654.56-20,959,953.36

Finding the Fourth Proportional to 39,153,343.92, 58,669,654.56 and 20,959,953.36

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Solution

The fourth proportional to 39,153,343.92, 58,669,654.56 and 20,959,953.36 is: 31,407,616.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,153,343.92 : 58,669,654.56 = 20,959,953.36 : x
  2. Step 2: Convert to fraction form
    39,153,343.92/58,669,654.56 = 20,959,953.36/x
  3. Step 3: Cross multiply
    39,153,343.92x = 58,669,654.56 × 20,959,953.36
  4. Step 4: Simplify right side
    39,153,343.92x = 1,229,713,223,224,911.25
  5. Step 5: Solve for x
    x = 1,229,713,223,224,911.25/39,153,343.92
  6. Step 6: Final answer
    x = 31,407,616.82

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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.