Home / 156,572,039.20-234,858,058.80-142,463,264.80

Finding the Fourth Proportional to 156,572,039.20, 234,858,058.80 and 142,463,264.80

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Solution

The fourth proportional to 156,572,039.20, 234,858,058.80 and 142,463,264.80 is: 213,694,897.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,572,039.20 : 234,858,058.80 = 142,463,264.80 : x
  2. Step 2: Convert to fraction form
    156,572,039.20/234,858,058.80 = 142,463,264.80/x
  3. Step 3: Cross multiply
    156,572,039.20x = 234,858,058.80 × 142,463,264.80
  4. Step 4: Simplify right side
    156,572,039.20x = 33,458,645,821,238,376
  5. Step 5: Solve for x
    x = 33,458,645,821,238,376/156,572,039.20
  6. Step 6: Final answer
    x = 213,694,897.20

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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.