Home / 31,209,577,557.84-43,069,217,315.22-16,936,405,161.30

Finding the Fourth Proportional to 31,209,577,557.84, 43,069,217,315.22 and 16,936,405,161.30

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Solution

The fourth proportional to 31,209,577,557.84, 43,069,217,315.22 and 16,936,405,161.30 is: 23,372,239,277.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,209,577,557.84 : 43,069,217,315.22 = 16,936,405,161.30 : x
  2. Step 2: Convert to fraction form
    31,209,577,557.84/43,069,217,315.22 = 16,936,405,161.30/x
  3. Step 3: Cross multiply
    31,209,577,557.84x = 43,069,217,315.22 × 16,936,405,161.30
  4. Step 4: Simplify right side
    31,209,577,557.84x = 729,437,714,430,643,273,728
  5. Step 5: Solve for x
    x = 729,437,714,430,643,273,728/31,209,577,557.84
  6. Step 6: Final answer
    x = 23,372,239,277.47

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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.