Home / 118,883,877.16-164,060,938.82-66,671,791.80

Finding the Fourth Proportional to 118,883,877.16, 164,060,938.82 and 66,671,791.80

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Solution

The fourth proportional to 118,883,877.16, 164,060,938.82 and 66,671,791.80 is: 92,007,739.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,883,877.16 : 164,060,938.82 = 66,671,791.80 : x
  2. Step 2: Convert to fraction form
    118,883,877.16/164,060,938.82 = 66,671,791.80/x
  3. Step 3: Cross multiply
    118,883,877.16x = 164,060,938.82 × 66,671,791.80
  4. Step 4: Simplify right side
    118,883,877.16x = 10,938,236,755,519,576
  5. Step 5: Solve for x
    x = 10,938,236,755,519,576/118,883,877.16
  6. Step 6: Final answer
    x = 92,007,739.12

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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.