Home / 140,153,627.70-210,230,441.55-82,757,999.70

Finding the Fourth Proportional to 140,153,627.70, 210,230,441.55 and 82,757,999.70

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Solution

The fourth proportional to 140,153,627.70, 210,230,441.55 and 82,757,999.70 is: 124,136,999.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,153,627.70 : 210,230,441.55 = 82,757,999.70 : x
  2. Step 2: Convert to fraction form
    140,153,627.70/210,230,441.55 = 82,757,999.70/x
  3. Step 3: Cross multiply
    140,153,627.70x = 210,230,441.55 × 82,757,999.70
  4. Step 4: Simplify right side
    140,153,627.70x = 17,398,250,818,725,770
  5. Step 5: Solve for x
    x = 17,398,250,818,725,770/140,153,627.70
  6. Step 6: Final answer
    x = 124,136,999.55

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1.5x scale

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.