Home / 112,100,840.10-168,151,260.15-31,321,808.10

Finding the Fourth Proportional to 112,100,840.10, 168,151,260.15 and 31,321,808.10

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Solution

The fourth proportional to 112,100,840.10, 168,151,260.15 and 31,321,808.10 is: 46,982,712.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,100,840.10 : 168,151,260.15 = 31,321,808.10 : x
  2. Step 2: Convert to fraction form
    112,100,840.10/168,151,260.15 = 31,321,808.10/x
  3. Step 3: Cross multiply
    112,100,840.10x = 168,151,260.15 × 31,321,808.10
  4. Step 4: Simplify right side
    112,100,840.10x = 5,266,801,502,191,478
  5. Step 5: Solve for x
    x = 5,266,801,502,191,478/112,100,840.10
  6. Step 6: Final answer
    x = 46,982,712.15

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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.