Home / 64,518,043.20-96,777,064.80-28,616,251.20

Finding the Fourth Proportional to 64,518,043.20, 96,777,064.80 and 28,616,251.20

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Solution

The fourth proportional to 64,518,043.20, 96,777,064.80 and 28,616,251.20 is: 42,924,376.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,518,043.20 : 96,777,064.80 = 28,616,251.20 : x
  2. Step 2: Convert to fraction form
    64,518,043.20/96,777,064.80 = 28,616,251.20/x
  3. Step 3: Cross multiply
    64,518,043.20x = 96,777,064.80 × 28,616,251.20
  4. Step 4: Simplify right side
    64,518,043.20x = 2,769,396,796,715,477.50
  5. Step 5: Solve for x
    x = 2,769,396,796,715,477.50/64,518,043.20
  6. Step 6: Final answer
    x = 42,924,376.80

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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.