Home / 134,868,143.27-186,118,035.46-72,988,481.84

Finding the Fourth Proportional to 134,868,143.27, 186,118,035.46 and 72,988,481.84

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Solution

The fourth proportional to 134,868,143.27, 186,118,035.46 and 72,988,481.84 is: 100,724,103.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,868,143.27 : 186,118,035.46 = 72,988,481.84 : x
  2. Step 2: Convert to fraction form
    134,868,143.27/186,118,035.46 = 72,988,481.84/x
  3. Step 3: Cross multiply
    134,868,143.27x = 186,118,035.46 × 72,988,481.84
  4. Step 4: Simplify right side
    134,868,143.27x = 13,584,472,850,155,624
  5. Step 5: Solve for x
    x = 13,584,472,850,155,624/134,868,143.27
  6. Step 6: Final answer
    x = 100,724,103.71

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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.