Home / 165,590,090.17-228,515,835.72-91,253,317.91

Finding the Fourth Proportional to 165,590,090.17, 228,515,835.72 and 91,253,317.91

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Solution

The fourth proportional to 165,590,090.17, 228,515,835.72 and 91,253,317.91 is: 125,930,411.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,590,090.17 : 228,515,835.72 = 91,253,317.91 : x
  2. Step 2: Convert to fraction form
    165,590,090.17/228,515,835.72 = 91,253,317.91/x
  3. Step 3: Cross multiply
    165,590,090.17x = 228,515,835.72 × 91,253,317.91
  4. Step 4: Simplify right side
    165,590,090.17x = 20,852,828,203,626,116
  5. Step 5: Solve for x
    x = 20,852,828,203,626,116/165,590,090.17
  6. Step 6: Final answer
    x = 125,930,411.55

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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.