Home / 161,638,734.38-242,460,201.09-53,933,358.38

Finding the Fourth Proportional to 161,638,734.38, 242,460,201.09 and 53,933,358.38

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Solution

The fourth proportional to 161,638,734.38, 242,460,201.09 and 53,933,358.38 is: 80,900,738.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,638,734.38 : 242,460,201.09 = 53,933,358.38 : x
  2. Step 2: Convert to fraction form
    161,638,734.38/242,460,201.09 = 53,933,358.38/x
  3. Step 3: Cross multiply
    161,638,734.38x = 242,460,201.09 × 53,933,358.38
  4. Step 4: Simplify right side
    161,638,734.38x = 13,076,692,916,791,870
  5. Step 5: Solve for x
    x = 13,076,692,916,791,870/161,638,734.38
  6. Step 6: Final answer
    x = 80,900,738.10

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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.