Home / 136,821,090.05-188,810,770.63-74,096,678.34

Finding the Fourth Proportional to 136,821,090.05, 188,810,770.63 and 74,096,678.34

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Solution

The fourth proportional to 136,821,090.05, 188,810,770.63 and 74,096,678.34 is: 102,252,152.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,821,090.05 : 188,810,770.63 = 74,096,678.34 : x
  2. Step 2: Convert to fraction form
    136,821,090.05/188,810,770.63 = 74,096,678.34/x
  3. Step 3: Cross multiply
    136,821,090.05x = 188,810,770.63 × 74,096,678.34
  4. Step 4: Simplify right side
    136,821,090.05x = 13,990,250,938,498,630
  5. Step 5: Solve for x
    x = 13,990,250,938,498,630/136,821,090.05
  6. Step 6: Final answer
    x = 102,252,152.31

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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.