Home / 43,129,428.48-64,725,358.68-16,872,137.28

Finding the Fourth Proportional to 43,129,428.48, 64,725,358.68 and 16,872,137.28

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Solution

The fourth proportional to 43,129,428.48, 64,725,358.68 and 16,872,137.28 is: 25,320,417.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,129,428.48 : 64,725,358.68 = 16,872,137.28 : x
  2. Step 2: Convert to fraction form
    43,129,428.48/64,725,358.68 = 16,872,137.28/x
  3. Step 3: Cross multiply
    43,129,428.48x = 64,725,358.68 × 16,872,137.28
  4. Step 4: Simplify right side
    43,129,428.48x = 1,092,055,137,146,199.62
  5. Step 5: Solve for x
    x = 1,092,055,137,146,199.62/43,129,428.48
  6. Step 6: Final answer
    x = 25,320,417.53

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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.