Home / 30,219,101.20-41,702,221.62-16,468,061.68

Finding the Fourth Proportional to 30,219,101.20, 41,702,221.62 and 16,468,061.68

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Solution

The fourth proportional to 30,219,101.20, 41,702,221.62 and 16,468,061.68 is: 22,725,849.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,219,101.20 : 41,702,221.62 = 16,468,061.68 : x
  2. Step 2: Convert to fraction form
    30,219,101.20/41,702,221.62 = 16,468,061.68/x
  3. Step 3: Cross multiply
    30,219,101.20x = 41,702,221.62 × 16,468,061.68
  4. Step 4: Simplify right side
    30,219,101.20x = 686,754,757,831,189.50
  5. Step 5: Solve for x
    x = 686,754,757,831,189.50/30,219,101.20
  6. Step 6: Final answer
    x = 22,725,849.89

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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.