Home / 136,676,539.89-188,613,503.19-77,150,365.55

Finding the Fourth Proportional to 136,676,539.89, 188,613,503.19 and 77,150,365.55

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Solution

The fourth proportional to 136,676,539.89, 188,613,503.19 and 77,150,365.55 is: 106,467,435.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,676,539.89 : 188,613,503.19 = 77,150,365.55 : x
  2. Step 2: Convert to fraction form
    136,676,539.89/188,613,503.19 = 77,150,365.55/x
  3. Step 3: Cross multiply
    136,676,539.89x = 188,613,503.19 × 77,150,365.55
  4. Step 4: Simplify right side
    136,676,539.89x = 14,551,600,718,755,616
  5. Step 5: Solve for x
    x = 14,551,600,718,755,616/136,676,539.89
  6. Step 6: Final answer
    x = 106,467,435.67

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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.