Home / 89,913,897.72-124,081,128.99-50,756,012.64

Finding the Fourth Proportional to 89,913,897.72, 124,081,128.99 and 50,756,012.64

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Solution

The fourth proportional to 89,913,897.72, 124,081,128.99 and 50,756,012.64 is: 70,043,269.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,913,897.72 : 124,081,128.99 = 50,756,012.64 : x
  2. Step 2: Convert to fraction form
    89,913,897.72/124,081,128.99 = 50,756,012.64/x
  3. Step 3: Cross multiply
    89,913,897.72x = 124,081,128.99 × 50,756,012.64
  4. Step 4: Simplify right side
    89,913,897.72x = 6,297,863,351,401,910
  5. Step 5: Solve for x
    x = 6,297,863,351,401,910/89,913,897.72
  6. Step 6: Final answer
    x = 70,043,269.30

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.