Home / 165,977,054.40-228,835,425.84-136,097,615.76

Finding the Fourth Proportional to 165,977,054.40, 228,835,425.84 and 136,097,615.76

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Solution

The fourth proportional to 165,977,054.40, 228,835,425.84 and 136,097,615.76 is: 187,640,128.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,977,054.40 : 228,835,425.84 = 136,097,615.76 : x
  2. Step 2: Convert to fraction form
    165,977,054.40/228,835,425.84 = 136,097,615.76/x
  3. Step 3: Cross multiply
    165,977,054.40x = 228,835,425.84 × 136,097,615.76
  4. Step 4: Simplify right side
    165,977,054.40x = 31,143,955,858,248,292
  5. Step 5: Solve for x
    x = 31,143,955,858,248,292/165,977,054.40
  6. Step 6: Final answer
    x = 187,640,128.76

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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.