Home / 80,622,072,002.80-120,933,108,004.20-70,826,551,490.80

Finding the Fourth Proportional to 80,622,072,002.80, 120,933,108,004.20 and 70,826,551,490.80

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Solution

The fourth proportional to 80,622,072,002.80, 120,933,108,004.20 and 70,826,551,490.80 is: 106,239,827,236.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,622,072,002.80 : 120,933,108,004.20 = 70,826,551,490.80 : x
  2. Step 2: Convert to fraction form
    80,622,072,002.80/120,933,108,004.20 = 70,826,551,490.80/x
  3. Step 3: Cross multiply
    80,622,072,002.80x = 120,933,108,004.20 × 70,826,551,490.80
  4. Step 4: Simplify right side
    80,622,072,002.80x = 8,565,275,001,001,949,003,776
  5. Step 5: Solve for x
    x = 8,565,275,001,001,949,003,776/80,622,072,002.80
  6. Step 6: Final answer
    x = 106,239,827,236.20

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Double scale
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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.