Home / 231,971,453.07-347,727,341.70-108,929,513.31

Finding the Fourth Proportional to 231,971,453.07, 347,727,341.70 and 108,929,513.31

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Solution

The fourth proportional to 231,971,453.07, 347,727,341.70 and 108,929,513.31 is: 163,286,342.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,971,453.07 : 347,727,341.70 = 108,929,513.31 : x
  2. Step 2: Convert to fraction form
    231,971,453.07/347,727,341.70 = 108,929,513.31/x
  3. Step 3: Cross multiply
    231,971,453.07x = 347,727,341.70 × 108,929,513.31
  4. Step 4: Simplify right side
    231,971,453.07x = 37,877,770,095,961,064
  5. Step 5: Solve for x
    x = 37,877,770,095,961,064/231,971,453.07
  6. Step 6: Final answer
    x = 163,286,342.33

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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.