Home / 64,519,251.20-96,778,876.80-53,181,843.20

Finding the Fourth Proportional to 64,519,251.20, 96,778,876.80 and 53,181,843.20

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Solution

The fourth proportional to 64,519,251.20, 96,778,876.80 and 53,181,843.20 is: 79,772,764.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,519,251.20 : 96,778,876.80 = 53,181,843.20 : x
  2. Step 2: Convert to fraction form
    64,519,251.20/96,778,876.80 = 53,181,843.20/x
  3. Step 3: Cross multiply
    64,519,251.20x = 96,778,876.80 × 53,181,843.20
  4. Step 4: Simplify right side
    64,519,251.20x = 5,146,879,051,049,718
  5. Step 5: Solve for x
    x = 5,146,879,051,049,718/64,519,251.20
  6. Step 6: Final answer
    x = 79,772,764.80

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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.