Home / 118,929,633.63-164,124,013.69-66,719,789.96

Finding the Fourth Proportional to 118,929,633.63, 164,124,013.69 and 66,719,789.96

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Solution

The fourth proportional to 118,929,633.63, 164,124,013.69 and 66,719,789.96 is: 92,073,938.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,929,633.63 : 164,124,013.69 = 66,719,789.96 : x
  2. Step 2: Convert to fraction form
    118,929,633.63/164,124,013.69 = 66,719,789.96/x
  3. Step 3: Cross multiply
    118,929,633.63x = 164,124,013.69 × 66,719,789.96
  4. Step 4: Simplify right side
    118,929,633.63x = 10,950,319,720,974,942
  5. Step 5: Solve for x
    x = 10,950,319,720,974,942/118,929,633.63
  6. Step 6: Final answer
    x = 92,073,938.06

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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.