Home / 43,280,321,975.86-64,875,172,205.72-18,112,458,672.09

Finding the Fourth Proportional to 43,280,321,975.86, 64,875,172,205.72 and 18,112,458,672.09

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Solution

The fourth proportional to 43,280,321,975.86, 64,875,172,205.72 and 18,112,458,672.09 is: 27,149,725,828.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,280,321,975.86 : 64,875,172,205.72 = 18,112,458,672.09 : x
  2. Step 2: Convert to fraction form
    43,280,321,975.86/64,875,172,205.72 = 18,112,458,672.09/x
  3. Step 3: Cross multiply
    43,280,321,975.86x = 64,875,172,205.72 × 18,112,458,672.09
  4. Step 4: Simplify right side
    43,280,321,975.86x = 1,175,048,875,420,897,771,520
  5. Step 5: Solve for x
    x = 1,175,048,875,420,897,771,520/43,280,321,975.86
  6. Step 6: Final answer
    x = 27,149,725,828.66

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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.