Home / 70,008,249.60-105,011,683.20-22,139,193.60

Finding the Fourth Proportional to 70,008,249.60, 105,011,683.20 and 22,139,193.60

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Solution

The fourth proportional to 70,008,249.60, 105,011,683.20 and 22,139,193.60 is: 33,208,571.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,008,249.60 : 105,011,683.20 = 22,139,193.60 : x
  2. Step 2: Convert to fraction form
    70,008,249.60/105,011,683.20 = 22,139,193.60/x
  3. Step 3: Cross multiply
    70,008,249.60x = 105,011,683.20 × 22,139,193.60
  4. Step 4: Simplify right side
    70,008,249.60x = 2,324,873,984,626,667.50
  5. Step 5: Solve for x
    x = 2,324,873,984,626,667.50/70,008,249.60
  6. Step 6: Final answer
    x = 33,208,571.82

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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.