Home / 164,738,020.84-247,121,392.98-54,040,500.78

Finding the Fourth Proportional to 164,738,020.84, 247,121,392.98 and 54,040,500.78

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Solution

The fourth proportional to 164,738,020.84, 247,121,392.98 and 54,040,500.78 is: 81,065,462.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,738,020.84 : 247,121,392.98 = 54,040,500.78 : x
  2. Step 2: Convert to fraction form
    164,738,020.84/247,121,392.98 = 54,040,500.78/x
  3. Step 3: Cross multiply
    164,738,020.84x = 247,121,392.98 × 54,040,500.78
  4. Step 4: Simplify right side
    164,738,020.84x = 13,354,563,830,090,376
  5. Step 5: Solve for x
    x = 13,354,563,830,090,376/164,738,020.84
  6. Step 6: Final answer
    x = 81,065,462.37

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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.