Home / 111,986,603.40-167,979,905.10-31,207,571.40

Finding the Fourth Proportional to 111,986,603.40, 167,979,905.10 and 31,207,571.40

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Solution

The fourth proportional to 111,986,603.40, 167,979,905.10 and 31,207,571.40 is: 46,811,357.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,986,603.40 : 167,979,905.10 = 31,207,571.40 : x
  2. Step 2: Convert to fraction form
    111,986,603.40/167,979,905.10 = 31,207,571.40/x
  3. Step 3: Cross multiply
    111,986,603.40x = 167,979,905.10 × 31,207,571.40
  4. Step 4: Simplify right side
    111,986,603.40x = 5,242,244,882,173,474
  5. Step 5: Solve for x
    x = 5,242,244,882,173,474/111,986,603.40
  6. Step 6: Final answer
    x = 46,811,357.10

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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.