Home / 80,457,684.15-120,686,526.23-19,873,410.15

Finding the Fourth Proportional to 80,457,684.15, 120,686,526.23 and 19,873,410.15

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Solution

The fourth proportional to 80,457,684.15, 120,686,526.23 and 19,873,410.15 is: 29,810,115.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,457,684.15 : 120,686,526.23 = 19,873,410.15 : x
  2. Step 2: Convert to fraction form
    80,457,684.15/120,686,526.23 = 19,873,410.15/x
  3. Step 3: Cross multiply
    80,457,684.15x = 120,686,526.23 × 19,873,410.15
  4. Step 4: Simplify right side
    80,457,684.15x = 2,398,452,835,248,156
  5. Step 5: Solve for x
    x = 2,398,452,835,248,156/80,457,684.15
  6. Step 6: Final answer
    x = 29,810,115.23

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Double scale
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Similar ratio
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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.