Home / 111,986,201.40-167,979,302.10-31,207,169.40

Finding the Fourth Proportional to 111,986,201.40, 167,979,302.10 and 31,207,169.40

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Solution

The fourth proportional to 111,986,201.40, 167,979,302.10 and 31,207,169.40 is: 46,810,754.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,986,201.40 : 167,979,302.10 = 31,207,169.40 : x
  2. Step 2: Convert to fraction form
    111,986,201.40/167,979,302.10 = 31,207,169.40/x
  3. Step 3: Cross multiply
    111,986,201.40x = 167,979,302.10 × 31,207,169.40
  4. Step 4: Simplify right side
    111,986,201.40x = 5,242,158,536,328,475
  5. Step 5: Solve for x
    x = 5,242,158,536,328,475/111,986,201.40
  6. Step 6: Final answer
    x = 46,810,754.10

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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.