Home / 149,479,969.80-224,219,954.70-68,858,401.80

Finding the Fourth Proportional to 149,479,969.80, 224,219,954.70 and 68,858,401.80

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Solution

The fourth proportional to 149,479,969.80, 224,219,954.70 and 68,858,401.80 is: 103,287,602.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,479,969.80 : 224,219,954.70 = 68,858,401.80 : x
  2. Step 2: Convert to fraction form
    149,479,969.80/224,219,954.70 = 68,858,401.80/x
  3. Step 3: Cross multiply
    149,479,969.80x = 224,219,954.70 × 68,858,401.80
  4. Step 4: Simplify right side
    149,479,969.80x = 15,439,427,732,310,396
  5. Step 5: Solve for x
    x = 15,439,427,732,310,396/149,479,969.80
  6. Step 6: Final answer
    x = 103,287,602.70

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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.