Home / 134,885,697.51-186,146,767.40-82,664,642.73

Finding the Fourth Proportional to 134,885,697.51, 186,146,767.40 and 82,664,642.73

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Solution

The fourth proportional to 134,885,697.51, 186,146,767.40 and 82,664,642.73 is: 114,079,967.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,885,697.51 : 186,146,767.40 = 82,664,642.73 : x
  2. Step 2: Convert to fraction form
    134,885,697.51/186,146,767.40 = 82,664,642.73/x
  3. Step 3: Cross multiply
    134,885,697.51x = 186,146,767.40 × 82,664,642.73
  4. Step 4: Simplify right side
    134,885,697.51x = 15,387,756,022,052,090
  5. Step 5: Solve for x
    x = 15,387,756,022,052,090/134,885,697.51
  6. Step 6: Final answer
    x = 114,079,967.75

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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.