Home / 75,410,351.28-112,958,585.64-47,980,770.48

Finding the Fourth Proportional to 75,410,351.28, 112,958,585.64 and 47,980,770.48

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Solution

The fourth proportional to 75,410,351.28, 112,958,585.64 and 47,980,770.48 is: 71,871,299.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,410,351.28 : 112,958,585.64 = 47,980,770.48 : x
  2. Step 2: Convert to fraction form
    75,410,351.28/112,958,585.64 = 47,980,770.48/x
  3. Step 3: Cross multiply
    75,410,351.28x = 112,958,585.64 × 47,980,770.48
  4. Step 4: Simplify right side
    75,410,351.28x = 5,419,839,971,338,264
  5. Step 5: Solve for x
    x = 5,419,839,971,338,264/75,410,351.28
  6. Step 6: Final answer
    x = 71,871,299.89

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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.