Home / 86,921,119.08-119,957,816.03-49,763,053.94

Finding the Fourth Proportional to 86,921,119.08, 119,957,816.03 and 49,763,053.94

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Solution

The fourth proportional to 86,921,119.08, 119,957,816.03 and 49,763,053.94 is: 68,676,834.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,921,119.08 : 119,957,816.03 = 49,763,053.94 : x
  2. Step 2: Convert to fraction form
    86,921,119.08/119,957,816.03 = 49,763,053.94/x
  3. Step 3: Cross multiply
    86,921,119.08x = 119,957,816.03 × 49,763,053.94
  4. Step 4: Simplify right side
    86,921,119.08x = 5,969,467,268,776,883
  5. Step 5: Solve for x
    x = 5,969,467,268,776,883/86,921,119.08
  6. Step 6: Final answer
    x = 68,676,834.03

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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.