Home / 124,850,102.91-172,179,348.57-107,203,520.67

Finding the Fourth Proportional to 124,850,102.91, 172,179,348.57 and 107,203,520.67

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Solution

The fourth proportional to 124,850,102.91, 172,179,348.57 and 107,203,520.67 is: 147,843,148.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,850,102.91 : 172,179,348.57 = 107,203,520.67 : x
  2. Step 2: Convert to fraction form
    124,850,102.91/172,179,348.57 = 107,203,520.67/x
  3. Step 3: Cross multiply
    124,850,102.91x = 172,179,348.57 × 107,203,520.67
  4. Step 4: Simplify right side
    124,850,102.91x = 18,458,232,353,371,128
  5. Step 5: Solve for x
    x = 18,458,232,353,371,128/124,850,102.91
  6. Step 6: Final answer
    x = 147,843,148.89

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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.