Home / 275,733,428.40-413,600,142.60-139,401,097.20

Finding the Fourth Proportional to 275,733,428.40, 413,600,142.60 and 139,401,097.20

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Solution

The fourth proportional to 275,733,428.40, 413,600,142.60 and 139,401,097.20 is: 209,101,645.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,733,428.40 : 413,600,142.60 = 139,401,097.20 : x
  2. Step 2: Convert to fraction form
    275,733,428.40/413,600,142.60 = 139,401,097.20/x
  3. Step 3: Cross multiply
    275,733,428.40x = 413,600,142.60 × 139,401,097.20
  4. Step 4: Simplify right side
    275,733,428.40x = 57,656,313,680,516,456
  5. Step 5: Solve for x
    x = 57,656,313,680,516,456/275,733,428.40
  6. Step 6: Final answer
    x = 209,101,645.80

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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.