Home / 101,232,382.39-139,699,992.20-54,821,574.25

Finding the Fourth Proportional to 101,232,382.39, 139,699,992.20 and 54,821,574.25

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Solution

The fourth proportional to 101,232,382.39, 139,699,992.20 and 54,821,574.25 is: 75,653,395.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,232,382.39 : 139,699,992.20 = 54,821,574.25 : x
  2. Step 2: Convert to fraction form
    101,232,382.39/139,699,992.20 = 54,821,574.25/x
  3. Step 3: Cross multiply
    101,232,382.39x = 139,699,992.20 × 54,821,574.25
  4. Step 4: Simplify right side
    101,232,382.39x = 7,658,573,494,493,363
  5. Step 5: Solve for x
    x = 7,658,573,494,493,363/101,232,382.39
  6. Step 6: Final answer
    x = 75,653,395.82

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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.