Home / 134,898,188.52-186,081,793.52-81,215,476.88

Finding the Fourth Proportional to 134,898,188.52, 186,081,793.52 and 81,215,476.88

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Solution

The fourth proportional to 134,898,188.52, 186,081,793.52 and 81,215,476.88 is: 112,030,574.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,898,188.52 : 186,081,793.52 = 81,215,476.88 : x
  2. Step 2: Convert to fraction form
    134,898,188.52/186,081,793.52 = 81,215,476.88/x
  3. Step 3: Cross multiply
    134,898,188.52x = 186,081,793.52 × 81,215,476.88
  4. Step 4: Simplify right side
    134,898,188.52x = 15,112,721,599,412,494
  5. Step 5: Solve for x
    x = 15,112,721,599,412,494/134,898,188.52
  6. Step 6: Final answer
    x = 112,030,574.80

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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.