Home / 147,310,253.80-203,300,257.38-81,243,676.84

Finding the Fourth Proportional to 147,310,253.80, 203,300,257.38 and 81,243,676.84

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Solution

The fourth proportional to 147,310,253.80, 203,300,257.38 and 81,243,676.84 is: 112,122,951.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,310,253.80 : 203,300,257.38 = 81,243,676.84 : x
  2. Step 2: Convert to fraction form
    147,310,253.80/203,300,257.38 = 81,243,676.84/x
  3. Step 3: Cross multiply
    147,310,253.80x = 203,300,257.38 × 81,243,676.84
  4. Step 4: Simplify right side
    147,310,253.80x = 16,516,860,412,069,546
  5. Step 5: Solve for x
    x = 16,516,860,412,069,546/147,310,253.80
  6. Step 6: Final answer
    x = 112,122,951.29

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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.