Home / 72,560,276.70-100,129,401.75-45,057,614.94

Finding the Fourth Proportional to 72,560,276.70, 100,129,401.75 and 45,057,614.94

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Solution

The fourth proportional to 72,560,276.70, 100,129,401.75 and 45,057,614.94 is: 62,177,161.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,560,276.70 : 100,129,401.75 = 45,057,614.94 : x
  2. Step 2: Convert to fraction form
    72,560,276.70/100,129,401.75 = 45,057,614.94/x
  3. Step 3: Cross multiply
    72,560,276.70x = 100,129,401.75 × 45,057,614.94
  4. Step 4: Simplify right side
    72,560,276.70x = 4,511,592,028,224,062
  5. Step 5: Solve for x
    x = 4,511,592,028,224,062/72,560,276.70
  6. Step 6: Final answer
    x = 62,177,161.30

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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.