Home / 80,622,072,001.80-120,933,108,002.70-70,826,551,489.80

Finding the Fourth Proportional to 80,622,072,001.80, 120,933,108,002.70 and 70,826,551,489.80

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Solution

The fourth proportional to 80,622,072,001.80, 120,933,108,002.70 and 70,826,551,489.80 is: 106,239,827,234.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,622,072,001.80 : 120,933,108,002.70 = 70,826,551,489.80 : x
  2. Step 2: Convert to fraction form
    80,622,072,001.80/120,933,108,002.70 = 70,826,551,489.80/x
  3. Step 3: Cross multiply
    80,622,072,001.80x = 120,933,108,002.70 × 70,826,551,489.80
  4. Step 4: Simplify right side
    80,622,072,001.80x = 8,565,275,000,774,776,061,952
  5. Step 5: Solve for x
    x = 8,565,275,000,774,776,061,952/80,622,072,001.80
  6. Step 6: Final answer
    x = 106,239,827,234.70

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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.