Home / 99,156,165.20-148,734,247.80-53,239,662.80

Finding the Fourth Proportional to 99,156,165.20, 148,734,247.80 and 53,239,662.80

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Solution

The fourth proportional to 99,156,165.20, 148,734,247.80 and 53,239,662.80 is: 79,859,494.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,156,165.20 : 148,734,247.80 = 53,239,662.80 : x
  2. Step 2: Convert to fraction form
    99,156,165.20/148,734,247.80 = 53,239,662.80/x
  3. Step 3: Cross multiply
    99,156,165.20x = 148,734,247.80 × 53,239,662.80
  4. Step 4: Simplify right side
    99,156,165.20x = 7,918,561,199,683,642
  5. Step 5: Solve for x
    x = 7,918,561,199,683,642/99,156,165.20
  6. Step 6: Final answer
    x = 79,859,494.20

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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.