Home / 129,058,881.60-193,588,322.40-114,950,107.20

Finding the Fourth Proportional to 129,058,881.60, 193,588,322.40 and 114,950,107.20

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Solution

The fourth proportional to 129,058,881.60, 193,588,322.40 and 114,950,107.20 is: 172,425,160.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,058,881.60 : 193,588,322.40 = 114,950,107.20 : x
  2. Step 2: Convert to fraction form
    129,058,881.60/193,588,322.40 = 114,950,107.20/x
  3. Step 3: Cross multiply
    129,058,881.60x = 193,588,322.40 × 114,950,107.20
  4. Step 4: Simplify right side
    129,058,881.60x = 22,252,998,412,548,164
  5. Step 5: Solve for x
    x = 22,252,998,412,548,164/129,058,881.60
  6. Step 6: Final answer
    x = 172,425,160.80

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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.