Home / 102,691,374.14-154,038,749.53-28,916,928.62

Finding the Fourth Proportional to 102,691,374.14, 154,038,749.53 and 28,916,928.62

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Solution

The fourth proportional to 102,691,374.14, 154,038,749.53 and 28,916,928.62 is: 43,375,868.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,691,374.14 : 154,038,749.53 = 28,916,928.62 : x
  2. Step 2: Convert to fraction form
    102,691,374.14/154,038,749.53 = 28,916,928.62/x
  3. Step 3: Cross multiply
    102,691,374.14x = 154,038,749.53 × 28,916,928.62
  4. Step 4: Simplify right side
    102,691,374.14x = 4,454,327,524,743,559
  5. Step 5: Solve for x
    x = 4,454,327,524,743,559/102,691,374.14
  6. Step 6: Final answer
    x = 43,375,868.34

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.