Home / 149,485,015.80-224,227,523.70-139,919,077.80

Finding the Fourth Proportional to 149,485,015.80, 224,227,523.70 and 139,919,077.80

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Solution

The fourth proportional to 149,485,015.80, 224,227,523.70 and 139,919,077.80 is: 209,878,616.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,485,015.80 : 224,227,523.70 = 139,919,077.80 : x
  2. Step 2: Convert to fraction form
    149,485,015.80/224,227,523.70 = 139,919,077.80/x
  3. Step 3: Cross multiply
    149,485,015.80x = 224,227,523.70 × 139,919,077.80
  4. Step 4: Simplify right side
    149,485,015.80x = 31,373,708,333,481,644
  5. Step 5: Solve for x
    x = 31,373,708,333,481,644/149,485,015.80
  6. Step 6: Final answer
    x = 209,878,616.70

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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.