Home / 136,751,941.92-188,710,204.88-74,860,308.48

Finding the Fourth Proportional to 136,751,941.92, 188,710,204.88 and 74,860,308.48

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Solution

The fourth proportional to 136,751,941.92, 188,710,204.88 and 74,860,308.48 is: 103,303,133.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,751,941.92 : 188,710,204.88 = 74,860,308.48 : x
  2. Step 2: Convert to fraction form
    136,751,941.92/188,710,204.88 = 74,860,308.48/x
  3. Step 3: Cross multiply
    136,751,941.92x = 188,710,204.88 × 74,860,308.48
  4. Step 4: Simplify right side
    136,751,941.92x = 14,126,904,150,640,802
  5. Step 5: Solve for x
    x = 14,126,904,150,640,802/136,751,941.92
  6. Step 6: Final answer
    x = 103,303,133.78

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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.