Home / 31,178,058,455.80-46,767,087,683.70-18,749,991,806.20

Finding the Fourth Proportional to 31,178,058,455.80, 46,767,087,683.70 and 18,749,991,806.20

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Solution

The fourth proportional to 31,178,058,455.80, 46,767,087,683.70 and 18,749,991,806.20 is: 28,124,987,709.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,178,058,455.80 : 46,767,087,683.70 = 18,749,991,806.20 : x
  2. Step 2: Convert to fraction form
    31,178,058,455.80/46,767,087,683.70 = 18,749,991,806.20/x
  3. Step 3: Cross multiply
    31,178,058,455.80x = 46,767,087,683.70 × 18,749,991,806.20
  4. Step 4: Simplify right side
    31,178,058,455.80x = 876,882,510,869,211,906,048
  5. Step 5: Solve for x
    x = 876,882,510,869,211,906,048/31,178,058,455.80
  6. Step 6: Final answer
    x = 28,124,987,709.30

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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.