Home / 118,883,876.40-164,060,937.79-66,671,791.07

Finding the Fourth Proportional to 118,883,876.40, 164,060,937.79 and 66,671,791.07

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Solution

The fourth proportional to 118,883,876.40, 164,060,937.79 and 66,671,791.07 is: 92,007,738.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,883,876.40 : 164,060,937.79 = 66,671,791.07 : x
  2. Step 2: Convert to fraction form
    118,883,876.40/164,060,937.79 = 66,671,791.07/x
  3. Step 3: Cross multiply
    118,883,876.40x = 164,060,937.79 × 66,671,791.07
  4. Step 4: Simplify right side
    118,883,876.40x = 10,938,236,566,096,162
  5. Step 5: Solve for x
    x = 10,938,236,566,096,162/118,883,876.40
  6. Step 6: Final answer
    x = 92,007,738.12

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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.