Home / 104,782,048.72-143,551,919.02-100,854,845.12

Finding the Fourth Proportional to 104,782,048.72, 143,551,919.02 and 100,854,845.12

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Solution

The fourth proportional to 104,782,048.72, 143,551,919.02 and 100,854,845.12 is: 138,171,630.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,782,048.72 : 143,551,919.02 = 100,854,845.12 : x
  2. Step 2: Convert to fraction form
    104,782,048.72/143,551,919.02 = 100,854,845.12/x
  3. Step 3: Cross multiply
    104,782,048.72x = 143,551,919.02 × 100,854,845.12
  4. Step 4: Simplify right side
    104,782,048.72x = 14,477,906,559,440,884
  5. Step 5: Solve for x
    x = 14,477,906,559,440,884/104,782,048.72
  6. Step 6: Final answer
    x = 138,171,630.89

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.