Home / 49,532,003.70-74,306,862.90-20,781,045.60

Finding the Fourth Proportional to 49,532,003.70, 74,306,862.90 and 20,781,045.60

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Solution

The fourth proportional to 49,532,003.70, 74,306,862.90 and 20,781,045.60 is: 31,175,284.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,532,003.70 : 74,306,862.90 = 20,781,045.60 : x
  2. Step 2: Convert to fraction form
    49,532,003.70/74,306,862.90 = 20,781,045.60/x
  3. Step 3: Cross multiply
    49,532,003.70x = 74,306,862.90 × 20,781,045.60
  4. Step 4: Simplify right side
    49,532,003.70x = 1,544,174,306,317,848.50
  5. Step 5: Solve for x
    x = 1,544,174,306,317,848.50/49,532,003.70
  6. Step 6: Final answer
    x = 31,175,284.48

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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.