Home / 98,619,919.20-136,099,496.16-54,566,200.80

Finding the Fourth Proportional to 98,619,919.20, 136,099,496.16 and 54,566,200.80

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Solution

The fourth proportional to 98,619,919.20, 136,099,496.16 and 54,566,200.80 is: 75,303,574.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,619,919.20 : 136,099,496.16 = 54,566,200.80 : x
  2. Step 2: Convert to fraction form
    98,619,919.20/136,099,496.16 = 54,566,200.80/x
  3. Step 3: Cross multiply
    98,619,919.20x = 136,099,496.16 × 54,566,200.80
  4. Step 4: Simplify right side
    98,619,919.20x = 7,426,432,436,245,388
  5. Step 5: Solve for x
    x = 7,426,432,436,245,388/98,619,919.20
  6. Step 6: Final answer
    x = 75,303,574.54

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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.