Home / 136,305,264.11-188,100,520.45-74,425,159.80

Finding the Fourth Proportional to 136,305,264.11, 188,100,520.45 and 74,425,159.80

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Solution

The fourth proportional to 136,305,264.11, 188,100,520.45 and 74,425,159.80 is: 102,706,314.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,305,264.11 : 188,100,520.45 = 74,425,159.80 : x
  2. Step 2: Convert to fraction form
    136,305,264.11/188,100,520.45 = 74,425,159.80/x
  3. Step 3: Cross multiply
    136,305,264.11x = 188,100,520.45 × 74,425,159.80
  4. Step 4: Simplify right side
    136,305,264.11x = 13,999,411,292,768,354
  5. Step 5: Solve for x
    x = 13,999,411,292,768,354/136,305,264.11
  6. Step 6: Final answer
    x = 102,706,314.28

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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.