Home / 270,492,791.70-405,756,018.56-97,971,099.86

Finding the Fourth Proportional to 270,492,791.70, 405,756,018.56 and 97,971,099.86

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Solution

The fourth proportional to 270,492,791.70, 405,756,018.56 and 97,971,099.86 is: 146,962,745.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,492,791.70 : 405,756,018.56 = 97,971,099.86 : x
  2. Step 2: Convert to fraction form
    270,492,791.70/405,756,018.56 = 97,971,099.86/x
  3. Step 3: Cross multiply
    270,492,791.70x = 405,756,018.56 × 97,971,099.86
  4. Step 4: Simplify right side
    270,492,791.70x = 39,752,363,413,137,776
  5. Step 5: Solve for x
    x = 39,752,363,413,137,776/270,492,791.70
  6. Step 6: Final answer
    x = 146,962,745.90

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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.