Home / 134,840,993.82-186,048,210.87-81,916,643.58

Finding the Fourth Proportional to 134,840,993.82, 186,048,210.87 and 81,916,643.58

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Solution

The fourth proportional to 134,840,993.82, 186,048,210.87 and 81,916,643.58 is: 113,025,308.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,840,993.82 : 186,048,210.87 = 81,916,643.58 : x
  2. Step 2: Convert to fraction form
    134,840,993.82/186,048,210.87 = 81,916,643.58/x
  3. Step 3: Cross multiply
    134,840,993.82x = 186,048,210.87 × 81,916,643.58
  4. Step 4: Simplify right side
    134,840,993.82x = 15,240,444,978,534,472
  5. Step 5: Solve for x
    x = 15,240,444,978,534,472/134,840,993.82
  6. Step 6: Final answer
    x = 113,025,308.90

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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.