Home / 157,467,939.20-235,446,081.60-116,653,270.40

Finding the Fourth Proportional to 157,467,939.20, 235,446,081.60 and 116,653,270.40

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Solution

The fourth proportional to 157,467,939.20, 235,446,081.60 and 116,653,270.40 is: 174,419,983.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,467,939.20 : 235,446,081.60 = 116,653,270.40 : x
  2. Step 2: Convert to fraction form
    157,467,939.20/235,446,081.60 = 116,653,270.40/x
  3. Step 3: Cross multiply
    157,467,939.20x = 235,446,081.60 × 116,653,270.40
  4. Step 4: Simplify right side
    157,467,939.20x = 27,465,555,421,505,264
  5. Step 5: Solve for x
    x = 27,465,555,421,505,264/157,467,939.20
  6. Step 6: Final answer
    x = 174,419,983.91

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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.