Home / 136,180,448.78-187,987,006.55-91,552,303.56

Finding the Fourth Proportional to 136,180,448.78, 187,987,006.55 and 91,552,303.56

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Solution

The fourth proportional to 136,180,448.78, 187,987,006.55 and 91,552,303.56 is: 126,381,162.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,180,448.78 : 187,987,006.55 = 91,552,303.56 : x
  2. Step 2: Convert to fraction form
    136,180,448.78/187,987,006.55 = 91,552,303.56/x
  3. Step 3: Cross multiply
    136,180,448.78x = 187,987,006.55 × 91,552,303.56
  4. Step 4: Simplify right side
    136,180,448.78x = 17,210,643,489,001,310
  5. Step 5: Solve for x
    x = 17,210,643,489,001,310/136,180,448.78
  6. Step 6: Final answer
    x = 126,381,162.96

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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.