Home / 159,424,601,091.18-220,005,968,159.63-87,166,714,886.60

Finding the Fourth Proportional to 159,424,601,091.18, 220,005,968,159.63 and 87,166,714,886.60

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Solution

The fourth proportional to 159,424,601,091.18, 220,005,968,159.63 and 87,166,714,886.60 is: 120,290,076,742.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,424,601,091.18 : 220,005,968,159.63 = 87,166,714,886.60 : x
  2. Step 2: Convert to fraction form
    159,424,601,091.18/220,005,968,159.63 = 87,166,714,886.60/x
  3. Step 3: Cross multiply
    159,424,601,091.18x = 220,005,968,159.63 × 87,166,714,886.60
  4. Step 4: Simplify right side
    159,424,601,091.18x = 19,177,197,499,920,867,655,680
  5. Step 5: Solve for x
    x = 19,177,197,499,920,867,655,680/159,424,601,091.18
  6. Step 6: Final answer
    x = 120,290,076,742.63

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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.