Home / 112,291,205.80-168,436,808.70-39,519,218.20

Finding the Fourth Proportional to 112,291,205.80, 168,436,808.70 and 39,519,218.20

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Solution

The fourth proportional to 112,291,205.80, 168,436,808.70 and 39,519,218.20 is: 59,278,827.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,291,205.80 : 168,436,808.70 = 39,519,218.20 : x
  2. Step 2: Convert to fraction form
    112,291,205.80/168,436,808.70 = 39,519,218.20/x
  3. Step 3: Cross multiply
    112,291,205.80x = 168,436,808.70 × 39,519,218.20
  4. Step 4: Simplify right side
    112,291,205.80x = 6,656,490,995,926,958
  5. Step 5: Solve for x
    x = 6,656,490,995,926,958/112,291,205.80
  6. Step 6: Final answer
    x = 59,278,827.30

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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.