Home / 125,412,655.43-188,180,612.81-56,374,237.69

Finding the Fourth Proportional to 125,412,655.43, 188,180,612.81 and 56,374,237.69

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Solution

The fourth proportional to 125,412,655.43, 188,180,612.81 and 56,374,237.69 is: 84,589,059.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,412,655.43 : 188,180,612.81 = 56,374,237.69 : x
  2. Step 2: Convert to fraction form
    125,412,655.43/188,180,612.81 = 56,374,237.69/x
  3. Step 3: Cross multiply
    125,412,655.43x = 188,180,612.81 × 56,374,237.69
  4. Step 4: Simplify right side
    125,412,655.43x = 10,608,538,594,659,880
  5. Step 5: Solve for x
    x = 10,608,538,594,659,880/125,412,655.43
  6. Step 6: Final answer
    x = 84,589,059.68

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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.