Home / 279,606,253.76-419,409,017.76-75,134,333.60

Finding the Fourth Proportional to 279,606,253.76, 419,409,017.76 and 75,134,333.60

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Solution

The fourth proportional to 279,606,253.76, 419,409,017.76 and 75,134,333.60 is: 112,701,402.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,606,253.76 : 419,409,017.76 = 75,134,333.60 : x
  2. Step 2: Convert to fraction form
    279,606,253.76/419,409,017.76 = 75,134,333.60/x
  3. Step 3: Cross multiply
    279,606,253.76x = 419,409,017.76 × 75,134,333.60
  4. Step 4: Simplify right side
    279,606,253.76x = 31,512,017,055,228,160
  5. Step 5: Solve for x
    x = 31,512,017,055,228,160/279,606,253.76
  6. Step 6: Final answer
    x = 112,701,402.89

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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.