Home / 112,334,544.30-168,501,816.45-99,579,960.30

Finding the Fourth Proportional to 112,334,544.30, 168,501,816.45 and 99,579,960.30

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Solution

The fourth proportional to 112,334,544.30, 168,501,816.45 and 99,579,960.30 is: 149,369,940.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,334,544.30 : 168,501,816.45 = 99,579,960.30 : x
  2. Step 2: Convert to fraction form
    112,334,544.30/168,501,816.45 = 99,579,960.30/x
  3. Step 3: Cross multiply
    112,334,544.30x = 168,501,816.45 × 99,579,960.30
  4. Step 4: Simplify right side
    112,334,544.30x = 16,779,404,192,568,886
  5. Step 5: Solve for x
    x = 16,779,404,192,568,886/112,334,544.30
  6. Step 6: Final answer
    x = 149,369,940.45

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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.