Home / 140,189,744.20-210,221,630.70-53,899,472.20

Finding the Fourth Proportional to 140,189,744.20, 210,221,630.70 and 53,899,472.20

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Solution

The fourth proportional to 140,189,744.20, 210,221,630.70 and 53,899,472.20 is: 80,824,991.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,189,744.20 : 210,221,630.70 = 53,899,472.20 : x
  2. Step 2: Convert to fraction form
    140,189,744.20/210,221,630.70 = 53,899,472.20/x
  3. Step 3: Cross multiply
    140,189,744.20x = 210,221,630.70 × 53,899,472.20
  4. Step 4: Simplify right side
    140,189,744.20x = 11,330,834,939,753,316
  5. Step 5: Solve for x
    x = 11,330,834,939,753,316/140,189,744.20
  6. Step 6: Final answer
    x = 80,824,991.90

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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.