Home / 80,660,018,813.15-111,361,060,595.50-51,345,969,857.42

Finding the Fourth Proportional to 80,660,018,813.15, 111,361,060,595.50 and 51,345,969,857.42

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Solution

The fourth proportional to 80,660,018,813.15, 111,361,060,595.50 and 51,345,969,857.42 is: 70,889,416,401.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,660,018,813.15 : 111,361,060,595.50 = 51,345,969,857.42 : x
  2. Step 2: Convert to fraction form
    80,660,018,813.15/111,361,060,595.50 = 51,345,969,857.42/x
  3. Step 3: Cross multiply
    80,660,018,813.15x = 111,361,060,595.50 × 51,345,969,857.42
  4. Step 4: Simplify right side
    80,660,018,813.15x = 5,717,941,660,626,308,825,088
  5. Step 5: Solve for x
    x = 5,717,941,660,626,308,825,088/80,660,018,813.15
  6. Step 6: Final answer
    x = 70,889,416,401.85

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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.