Home / 190,196,600.88-285,095,781.75-79,595,639.16

Finding the Fourth Proportional to 190,196,600.88, 285,095,781.75 and 79,595,639.16

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Solution

The fourth proportional to 190,196,600.88, 285,095,781.75 and 79,595,639.16 is: 119,310,128.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,196,600.88 : 285,095,781.75 = 79,595,639.16 : x
  2. Step 2: Convert to fraction form
    190,196,600.88/285,095,781.75 = 79,595,639.16/x
  3. Step 3: Cross multiply
    190,196,600.88x = 285,095,781.75 × 79,595,639.16
  4. Step 4: Simplify right side
    190,196,600.88x = 22,692,380,970,211,112
  5. Step 5: Solve for x
    x = 22,692,380,970,211,112/190,196,600.88
  6. Step 6: Final answer
    x = 119,310,128.92

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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.