Home / 31,209,577,558.84-43,069,217,316.60-16,936,405,162.30

Finding the Fourth Proportional to 31,209,577,558.84, 43,069,217,316.60 and 16,936,405,162.30

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Solution

The fourth proportional to 31,209,577,558.84, 43,069,217,316.60 and 16,936,405,162.30 is: 23,372,239,278.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,209,577,558.84 : 43,069,217,316.60 = 16,936,405,162.30 : x
  2. Step 2: Convert to fraction form
    31,209,577,558.84/43,069,217,316.60 = 16,936,405,162.30/x
  3. Step 3: Cross multiply
    31,209,577,558.84x = 43,069,217,316.60 × 16,936,405,162.30
  4. Step 4: Simplify right side
    31,209,577,558.84x = 729,437,714,497,084,719,104
  5. Step 5: Solve for x
    x = 729,437,714,497,084,719,104/31,209,577,558.84
  6. Step 6: Final answer
    x = 23,372,239,278.85

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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.