Home / 310,120,878.30-427,969,682.22-170,896,622.46

Finding the Fourth Proportional to 310,120,878.30, 427,969,682.22 and 170,896,622.46

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Solution

The fourth proportional to 310,120,878.30, 427,969,682.22 and 170,896,622.46 is: 235,838,920.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    310,120,878.30 : 427,969,682.22 = 170,896,622.46 : x
  2. Step 2: Convert to fraction form
    310,120,878.30/427,969,682.22 = 170,896,622.46/x
  3. Step 3: Cross multiply
    310,120,878.30x = 427,969,682.22 × 170,896,622.46
  4. Step 4: Simplify right side
    310,120,878.30x = 73,138,573,206,677,520
  5. Step 5: Solve for x
    x = 73,138,573,206,677,520/310,120,878.30
  6. Step 6: Final answer
    x = 235,838,920.64

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.