Home / 118,929,633.88-164,124,014.04-66,719,790.21

Finding the Fourth Proportional to 118,929,633.88, 164,124,014.04 and 66,719,790.21

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Solution

The fourth proportional to 118,929,633.88, 164,124,014.04 and 66,719,790.21 is: 92,073,938.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,929,633.88 : 164,124,014.04 = 66,719,790.21 : x
  2. Step 2: Convert to fraction form
    118,929,633.88/164,124,014.04 = 66,719,790.21/x
  3. Step 3: Cross multiply
    118,929,633.88x = 164,124,014.04 × 66,719,790.21
  4. Step 4: Simplify right side
    118,929,633.88x = 10,950,319,785,005,094
  5. Step 5: Solve for x
    x = 10,950,319,785,005,094/118,929,633.88
  6. Step 6: Final answer
    x = 92,073,938.41

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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.