Home / 149,608,321,739.64-206,459,595,311.40-81,020,267,276.76

Finding the Fourth Proportional to 149,608,321,739.64, 206,459,595,311.40 and 81,020,267,276.76

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Solution

The fourth proportional to 149,608,321,739.64, 206,459,595,311.40 and 81,020,267,276.76 is: 111,808,029,122.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,608,321,739.64 : 206,459,595,311.40 = 81,020,267,276.76 : x
  2. Step 2: Convert to fraction form
    149,608,321,739.64/206,459,595,311.40 = 81,020,267,276.76/x
  3. Step 3: Cross multiply
    149,608,321,739.64x = 206,459,595,311.40 × 81,020,267,276.76
  4. Step 4: Simplify right side
    149,608,321,739.64x = 16,727,411,593,981,332,553,728
  5. Step 5: Solve for x
    x = 16,727,411,593,981,332,553,728/149,608,321,739.64
  6. Step 6: Final answer
    x = 111,808,029,122.15

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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.