Home / 56,167,278.40-84,250,917.60-45,963,611.20

Finding the Fourth Proportional to 56,167,278.40, 84,250,917.60 and 45,963,611.20

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Solution

The fourth proportional to 56,167,278.40, 84,250,917.60 and 45,963,611.20 is: 68,945,416.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,167,278.40 : 84,250,917.60 = 45,963,611.20 : x
  2. Step 2: Convert to fraction form
    56,167,278.40/84,250,917.60 = 45,963,611.20/x
  3. Step 3: Cross multiply
    56,167,278.40x = 84,250,917.60 × 45,963,611.20
  4. Step 4: Simplify right side
    56,167,278.40x = 3,872,476,419,809,637
  5. Step 5: Solve for x
    x = 3,872,476,419,809,637/56,167,278.40
  6. Step 6: Final answer
    x = 68,945,416.80

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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.