Home / 40,118,178.63-55,365,731.78-22,478,495.43

Finding the Fourth Proportional to 40,118,178.63, 55,365,731.78 and 22,478,495.43

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Solution

The fourth proportional to 40,118,178.63, 55,365,731.78 and 22,478,495.43 is: 31,021,805.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,118,178.63 : 55,365,731.78 = 22,478,495.43 : x
  2. Step 2: Convert to fraction form
    40,118,178.63/55,365,731.78 = 22,478,495.43/x
  3. Step 3: Cross multiply
    40,118,178.63x = 55,365,731.78 × 22,478,495.43
  4. Step 4: Simplify right side
    40,118,178.63x = 1,244,538,348,682,943.25
  5. Step 5: Solve for x
    x = 1,244,538,348,682,943.25/40,118,178.63
  6. Step 6: Final answer
    x = 31,021,805.85

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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.