Home / 147,084,375.22-202,973,961.68-81,011,026.46

Finding the Fourth Proportional to 147,084,375.22, 202,973,961.68 and 81,011,026.46

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Solution

The fourth proportional to 147,084,375.22, 202,973,961.68 and 81,011,026.46 is: 111,793,852.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,084,375.22 : 202,973,961.68 = 81,011,026.46 : x
  2. Step 2: Convert to fraction form
    147,084,375.22/202,973,961.68 = 81,011,026.46/x
  3. Step 3: Cross multiply
    147,084,375.22x = 202,973,961.68 × 81,011,026.46
  4. Step 4: Simplify right side
    147,084,375.22x = 16,443,128,980,755,680
  5. Step 5: Solve for x
    x = 16,443,128,980,755,680/147,084,375.22
  6. Step 6: Final answer
    x = 111,793,852.72

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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.