Home / 139,743,535.37-192,846,843.63-81,041,005.17

Finding the Fourth Proportional to 139,743,535.37, 192,846,843.63 and 81,041,005.17

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Solution

The fourth proportional to 139,743,535.37, 192,846,843.63 and 81,041,005.17 is: 111,837,030.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,743,535.37 : 192,846,843.63 = 81,041,005.17 : x
  2. Step 2: Convert to fraction form
    139,743,535.37/192,846,843.63 = 81,041,005.17/x
  3. Step 3: Cross multiply
    139,743,535.37x = 192,846,843.63 × 81,041,005.17
  4. Step 4: Simplify right side
    139,743,535.37x = 15,628,502,051,637,012
  5. Step 5: Solve for x
    x = 15,628,502,051,637,012/139,743,535.37
  6. Step 6: Final answer
    x = 111,837,030.68

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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.