Home / 91,820,419.68-126,710,648-50,571,150.24

Finding the Fourth Proportional to 91,820,419.68, 126,710,648 and 50,571,150.24

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Solution

The fourth proportional to 91,820,419.68, 126,710,648 and 50,571,150.24 is: 69,787,344.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,820,419.68 : 126,710,648 = 50,571,150.24 : x
  2. Step 2: Convert to fraction form
    91,820,419.68/126,710,648 = 50,571,150.24/x
  3. Step 3: Cross multiply
    91,820,419.68x = 126,710,648 × 50,571,150.24
  4. Step 4: Simplify right side
    91,820,419.68x = 6,407,903,217,015,756
  5. Step 5: Solve for x
    x = 6,407,903,217,015,756/91,820,419.68
  6. Step 6: Final answer
    x = 69,787,344.03

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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.