Home / 159,424,601,091.68-220,005,968,160.32-87,166,714,887.10

Finding the Fourth Proportional to 159,424,601,091.68, 220,005,968,160.32 and 87,166,714,887.10

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Solution

The fourth proportional to 159,424,601,091.68, 220,005,968,160.32 and 87,166,714,887.10 is: 120,290,076,743.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,424,601,091.68 : 220,005,968,160.32 = 87,166,714,887.10 : x
  2. Step 2: Convert to fraction form
    159,424,601,091.68/220,005,968,160.32 = 87,166,714,887.10/x
  3. Step 3: Cross multiply
    159,424,601,091.68x = 220,005,968,160.32 × 87,166,714,887.10
  4. Step 4: Simplify right side
    159,424,601,091.68x = 19,177,197,500,091,017,986,048
  5. Step 5: Solve for x
    x = 19,177,197,500,091,017,986,048/159,424,601,091.68
  6. Step 6: Final answer
    x = 120,290,076,743.32

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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.