Home / 111,546,272.40-167,319,408.60-103,988,000.40

Finding the Fourth Proportional to 111,546,272.40, 167,319,408.60 and 103,988,000.40

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Solution

The fourth proportional to 111,546,272.40, 167,319,408.60 and 103,988,000.40 is: 155,982,000.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,546,272.40 : 167,319,408.60 = 103,988,000.40 : x
  2. Step 2: Convert to fraction form
    111,546,272.40/167,319,408.60 = 103,988,000.40/x
  3. Step 3: Cross multiply
    111,546,272.40x = 167,319,408.60 × 103,988,000.40
  4. Step 4: Simplify right side
    111,546,272.40x = 17,399,210,728,424,564
  5. Step 5: Solve for x
    x = 17,399,210,728,424,564/111,546,272.40
  6. Step 6: Final answer
    x = 155,982,000.60

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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.