Home / 152,463,890,475.73-210,702,047,021.44-124,954,086,987.54

Finding the Fourth Proportional to 152,463,890,475.73, 210,702,047,021.44 and 124,954,086,987.54

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Solution

The fourth proportional to 152,463,890,475.73, 210,702,047,021.44 and 124,954,086,987.54 is: 172,684,048,857.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,463,890,475.73 : 210,702,047,021.44 = 124,954,086,987.54 : x
  2. Step 2: Convert to fraction form
    152,463,890,475.73/210,702,047,021.44 = 124,954,086,987.54/x
  3. Step 3: Cross multiply
    152,463,890,475.73x = 210,702,047,021.44 × 124,954,086,987.54
  4. Step 4: Simplify right side
    152,463,890,475.73x = 26,328,081,911,969,755,430,912
  5. Step 5: Solve for x
    x = 26,328,081,911,969,755,430,912/152,463,890,475.73
  6. Step 6: Final answer
    x = 172,684,048,857.86

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.