Home / 133,058,814.30-199,588,221.45-89,976,663.90

Finding the Fourth Proportional to 133,058,814.30, 199,588,221.45 and 89,976,663.90

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Solution

The fourth proportional to 133,058,814.30, 199,588,221.45 and 89,976,663.90 is: 134,964,995.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,058,814.30 : 199,588,221.45 = 89,976,663.90 : x
  2. Step 2: Convert to fraction form
    133,058,814.30/199,588,221.45 = 89,976,663.90/x
  3. Step 3: Cross multiply
    133,058,814.30x = 199,588,221.45 × 89,976,663.90
  4. Step 4: Simplify right side
    133,058,814.30x = 17,958,282,319,805,420
  5. Step 5: Solve for x
    x = 17,958,282,319,805,420/133,058,814.30
  6. Step 6: Final answer
    x = 134,964,995.85

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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.