Home / 49,532,259.70-74,307,246.90-20,781,301.60

Finding the Fourth Proportional to 49,532,259.70, 74,307,246.90 and 20,781,301.60

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Solution

The fourth proportional to 49,532,259.70, 74,307,246.90 and 20,781,301.60 is: 31,175,668.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,532,259.70 : 74,307,246.90 = 20,781,301.60 : x
  2. Step 2: Convert to fraction form
    49,532,259.70/74,307,246.90 = 20,781,301.60/x
  3. Step 3: Cross multiply
    49,532,259.70x = 74,307,246.90 × 20,781,301.60
  4. Step 4: Simplify right side
    49,532,259.70x = 1,544,201,308,894,565.25
  5. Step 5: Solve for x
    x = 1,544,201,308,894,565.25/49,532,259.70
  6. Step 6: Final answer
    x = 31,175,668.51

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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.