Home / 140,092,079.80-210,138,119.70-132,155,894.20

Finding the Fourth Proportional to 140,092,079.80, 210,138,119.70 and 132,155,894.20

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Solution

The fourth proportional to 140,092,079.80, 210,138,119.70 and 132,155,894.20 is: 198,233,841.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,092,079.80 : 210,138,119.70 = 132,155,894.20 : x
  2. Step 2: Convert to fraction form
    140,092,079.80/210,138,119.70 = 132,155,894.20/x
  3. Step 3: Cross multiply
    140,092,079.80x = 210,138,119.70 × 132,155,894.20
  4. Step 4: Simplify right side
    140,092,079.80x = 27,770,991,114,460,136
  5. Step 5: Solve for x
    x = 27,770,991,114,460,136/140,092,079.80
  6. Step 6: Final answer
    x = 198,233,841.30

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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.