Home / 190,199,707.70-285,100,457.76-79,598,749.70

Finding the Fourth Proportional to 190,199,707.70, 285,100,457.76 and 79,598,749.70

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Solution

The fourth proportional to 190,199,707.70, 285,100,457.76 and 79,598,749.70 is: 119,314,799.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,199,707.70 : 285,100,457.76 = 79,598,749.70 : x
  2. Step 2: Convert to fraction form
    190,199,707.70/285,100,457.76 = 79,598,749.70/x
  3. Step 3: Cross multiply
    190,199,707.70x = 285,100,457.76 × 79,598,749.70
  4. Step 4: Simplify right side
    190,199,707.70x = 22,693,639,976,593,664
  5. Step 5: Solve for x
    x = 22,693,639,976,593,664/190,199,707.70
  6. Step 6: Final answer
    x = 119,314,799.43

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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.