Home / 294,021,859.86-405,737,736.80-160,056,990.78

Finding the Fourth Proportional to 294,021,859.86, 405,737,736.80 and 160,056,990.78

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Solution

The fourth proportional to 294,021,859.86, 405,737,736.80 and 160,056,990.78 is: 220,871,880.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    294,021,859.86 : 405,737,736.80 = 160,056,990.78 : x
  2. Step 2: Convert to fraction form
    294,021,859.86/405,737,736.80 = 160,056,990.78/x
  3. Step 3: Cross multiply
    294,021,859.86x = 405,737,736.80 × 160,056,990.78
  4. Step 4: Simplify right side
    294,021,859.86x = 64,941,161,198,095,672
  5. Step 5: Solve for x
    x = 64,941,161,198,095,672/294,021,859.86
  6. Step 6: Final answer
    x = 220,871,880.85

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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.