Home / 252,114,938.82-347,918,611.77-136,221,434.82

Finding the Fourth Proportional to 252,114,938.82, 347,918,611.77 and 136,221,434.82

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Solution

The fourth proportional to 252,114,938.82, 347,918,611.77 and 136,221,434.82 is: 187,985,578.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,114,938.82 : 347,918,611.77 = 136,221,434.82 : x
  2. Step 2: Convert to fraction form
    252,114,938.82/347,918,611.77 = 136,221,434.82/x
  3. Step 3: Cross multiply
    252,114,938.82x = 347,918,611.77 × 136,221,434.82
  4. Step 4: Simplify right side
    252,114,938.82x = 47,393,972,495,891,936
  5. Step 5: Solve for x
    x = 47,393,972,495,891,936/252,114,938.82
  6. Step 6: Final answer
    x = 187,985,578.00

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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.