Home / 64,018,872.72-96,038,310.96-20,878,043.04

Finding the Fourth Proportional to 64,018,872.72, 96,038,310.96 and 20,878,043.04

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Solution

The fourth proportional to 64,018,872.72, 96,038,310.96 and 20,878,043.04 is: 31,320,326.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,018,872.72 : 96,038,310.96 = 20,878,043.04 : x
  2. Step 2: Convert to fraction form
    64,018,872.72/96,038,310.96 = 20,878,043.04/x
  3. Step 3: Cross multiply
    64,018,872.72x = 96,038,310.96 × 20,878,043.04
  4. Step 4: Simplify right side
    64,018,872.72x = 2,005,091,989,711,783.50
  5. Step 5: Solve for x
    x = 2,005,091,989,711,783.50/64,018,872.72
  6. Step 6: Final answer
    x = 31,320,326.41

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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.