Home / 101,315,452.99-139,815,444.73-54,905,706.91

Finding the Fourth Proportional to 101,315,452.99, 139,815,444.73 and 54,905,706.91

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Solution

The fourth proportional to 101,315,452.99, 139,815,444.73 and 54,905,706.91 is: 75,769,940.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,315,452.99 : 139,815,444.73 = 54,905,706.91 : x
  2. Step 2: Convert to fraction form
    101,315,452.99/139,815,444.73 = 54,905,706.91/x
  3. Step 3: Cross multiply
    101,315,452.99x = 139,815,444.73 × 54,905,706.91
  4. Step 4: Simplify right side
    101,315,452.99x = 7,676,665,830,661,583
  5. Step 5: Solve for x
    x = 7,676,665,830,661,583/101,315,452.99
  6. Step 6: Final answer
    x = 75,769,940.36

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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.