Home / 75,076,637.60-112,425,999.60-49,378,512.80

Finding the Fourth Proportional to 75,076,637.60, 112,425,999.60 and 49,378,512.80

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Solution

The fourth proportional to 75,076,637.60, 112,425,999.60 and 49,378,512.80 is: 73,943,490.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,076,637.60 : 112,425,999.60 = 49,378,512.80 : x
  2. Step 2: Convert to fraction form
    75,076,637.60/112,425,999.60 = 49,378,512.80/x
  3. Step 3: Cross multiply
    75,076,637.60x = 112,425,999.60 × 49,378,512.80
  4. Step 4: Simplify right side
    75,076,637.60x = 5,551,428,660,301,394
  5. Step 5: Solve for x
    x = 5,551,428,660,301,394/75,076,637.60
  6. Step 6: Final answer
    x = 73,943,490.78

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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.