Home / 136,985,716.89-205,512,836.06-39,941,424.47

Finding the Fourth Proportional to 136,985,716.89, 205,512,836.06 and 39,941,424.47

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Solution

The fourth proportional to 136,985,716.89, 205,512,836.06 and 39,941,424.47 is: 59,922,126.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,985,716.89 : 205,512,836.06 = 39,941,424.47 : x
  2. Step 2: Convert to fraction form
    136,985,716.89/205,512,836.06 = 39,941,424.47/x
  3. Step 3: Cross multiply
    136,985,716.89x = 205,512,836.06 × 39,941,424.47
  4. Step 4: Simplify right side
    136,985,716.89x = 8,208,475,419,928,586
  5. Step 5: Solve for x
    x = 8,208,475,419,928,586/136,985,716.89
  6. Step 6: Final answer
    x = 59,922,126.24

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.