Home / 136,677,001.44-188,614,139.04-77,150,829.84

Finding the Fourth Proportional to 136,677,001.44, 188,614,139.04 and 77,150,829.84

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Solution

The fourth proportional to 136,677,001.44, 188,614,139.04 and 77,150,829.84 is: 106,468,075.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,677,001.44 : 188,614,139.04 = 77,150,829.84 : x
  2. Step 2: Convert to fraction form
    136,677,001.44/188,614,139.04 = 77,150,829.84/x
  3. Step 3: Cross multiply
    136,677,001.44x = 188,614,139.04 × 77,150,829.84
  4. Step 4: Simplify right side
    136,677,001.44x = 14,551,737,346,493,140
  5. Step 5: Solve for x
    x = 14,551,737,346,493,140/136,677,001.44
  6. Step 6: Final answer
    x = 106,468,075.78

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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.