Home / 128,124,123.60-192,192,090.32-41,862,982.48

Finding the Fourth Proportional to 128,124,123.60, 192,192,090.32 and 41,862,982.48

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Solution

The fourth proportional to 128,124,123.60, 192,192,090.32 and 41,862,982.48 is: 62,796,403.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    128,124,123.60 : 192,192,090.32 = 41,862,982.48 : x
  2. Step 2: Convert to fraction form
    128,124,123.60/192,192,090.32 = 41,862,982.48/x
  3. Step 3: Cross multiply
    128,124,123.60x = 192,192,090.32 × 41,862,982.48
  4. Step 4: Simplify right side
    128,124,123.60x = 8,045,734,109,860,737
  5. Step 5: Solve for x
    x = 8,045,734,109,860,737/128,124,123.60
  6. Step 6: Final answer
    x = 62,796,403.08

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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.