Home / 190,199,706.70-285,100,456.26-79,598,748.70

Finding the Fourth Proportional to 190,199,706.70, 285,100,456.26 and 79,598,748.70

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Solution

The fourth proportional to 190,199,706.70, 285,100,456.26 and 79,598,748.70 is: 119,314,797.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,199,706.70 : 285,100,456.26 = 79,598,748.70 : x
  2. Step 2: Convert to fraction form
    190,199,706.70/285,100,456.26 = 79,598,748.70/x
  3. Step 3: Cross multiply
    190,199,706.70x = 285,100,456.26 × 79,598,748.70
  4. Step 4: Simplify right side
    190,199,706.70x = 22,693,639,572,095,080
  5. Step 5: Solve for x
    x = 22,693,639,572,095,080/190,199,706.70
  6. Step 6: Final answer
    x = 119,314,797.93

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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.