Home / 64,675,493.15-97,028,531.30-20,956,179.43

Finding the Fourth Proportional to 64,675,493.15, 97,028,531.30 and 20,956,179.43

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Solution

The fourth proportional to 64,675,493.15, 97,028,531.30 and 20,956,179.43 is: 31,439,223.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,675,493.15 : 97,028,531.30 = 20,956,179.43 : x
  2. Step 2: Convert to fraction form
    64,675,493.15/97,028,531.30 = 20,956,179.43/x
  3. Step 3: Cross multiply
    64,675,493.15x = 97,028,531.30 × 20,956,179.43
  4. Step 4: Simplify right side
    64,675,493.15x = 2,033,347,311,925,847
  5. Step 5: Solve for x
    x = 2,033,347,311,925,847/64,675,493.15
  6. Step 6: Final answer
    x = 31,439,223.93

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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.