Home / 64,179,872.64-96,260,355.84-21,053,633.28

Finding the Fourth Proportional to 64,179,872.64, 96,260,355.84 and 21,053,633.28

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Solution

The fourth proportional to 64,179,872.64, 96,260,355.84 and 21,053,633.28 is: 31,577,348.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,179,872.64 : 96,260,355.84 = 21,053,633.28 : x
  2. Step 2: Convert to fraction form
    64,179,872.64/96,260,355.84 = 21,053,633.28/x
  3. Step 3: Cross multiply
    64,179,872.64x = 96,260,355.84 × 21,053,633.28
  4. Step 4: Simplify right side
    64,179,872.64x = 2,026,630,231,257,666.50
  5. Step 5: Solve for x
    x = 2,026,630,231,257,666.50/64,179,872.64
  6. Step 6: Final answer
    x = 31,577,348.91

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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.