Home / 121,026,302.91-181,401,847.11-106,424,607.87

Finding the Fourth Proportional to 121,026,302.91, 181,401,847.11 and 106,424,607.87

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Solution

The fourth proportional to 121,026,302.91, 181,401,847.11 and 106,424,607.87 is: 159,515,906.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,026,302.91 : 181,401,847.11 = 106,424,607.87 : x
  2. Step 2: Convert to fraction form
    121,026,302.91/181,401,847.11 = 106,424,607.87/x
  3. Step 3: Cross multiply
    121,026,302.91x = 181,401,847.11 × 106,424,607.87
  4. Step 4: Simplify right side
    121,026,302.91x = 19,305,620,445,575,444
  5. Step 5: Solve for x
    x = 19,305,620,445,575,444/121,026,302.91
  6. Step 6: Final answer
    x = 159,515,906.72

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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.