Home / 190,215,657.56-285,233,540.70-73,685,590.76

Finding the Fourth Proportional to 190,215,657.56, 285,233,540.70 and 73,685,590.76

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Solution

The fourth proportional to 190,215,657.56, 285,233,540.70 and 73,685,590.76 is: 110,493,543.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,215,657.56 : 285,233,540.70 = 73,685,590.76 : x
  2. Step 2: Convert to fraction form
    190,215,657.56/285,233,540.70 = 73,685,590.76/x
  3. Step 3: Cross multiply
    190,215,657.56x = 285,233,540.70 × 73,685,590.76
  4. Step 4: Simplify right side
    190,215,657.56x = 21,017,601,951,046,004
  5. Step 5: Solve for x
    x = 21,017,601,951,046,004/190,215,657.56
  6. Step 6: Final answer
    x = 110,493,543.07

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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.