Home / 34,344,090.40-51,516,135.60-20,739,200.80

Finding the Fourth Proportional to 34,344,090.40, 51,516,135.60 and 20,739,200.80

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Solution

The fourth proportional to 34,344,090.40, 51,516,135.60 and 20,739,200.80 is: 31,108,801.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,344,090.40 : 51,516,135.60 = 20,739,200.80 : x
  2. Step 2: Convert to fraction form
    34,344,090.40/51,516,135.60 = 20,739,200.80/x
  3. Step 3: Cross multiply
    34,344,090.40x = 51,516,135.60 × 20,739,200.80
  4. Step 4: Simplify right side
    34,344,090.40x = 1,068,403,480,648,428.50
  5. Step 5: Solve for x
    x = 1,068,403,480,648,428.50/34,344,090.40
  6. Step 6: Final answer
    x = 31,108,801.20

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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.