Home / 212,651,340-293,458,967.28-114,866,196.96

Finding the Fourth Proportional to 212,651,340, 293,458,967.28 and 114,866,196.96

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Solution

The fourth proportional to 212,651,340, 293,458,967.28 and 114,866,196.96 is: 158,515,415.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,651,340 : 293,458,967.28 = 114,866,196.96 : x
  2. Step 2: Convert to fraction form
    212,651,340/293,458,967.28 = 114,866,196.96/x
  3. Step 3: Cross multiply
    212,651,340x = 293,458,967.28 × 114,866,196.96
  4. Step 4: Simplify right side
    212,651,340x = 33,708,515,535,262,672
  5. Step 5: Solve for x
    x = 33,708,515,535,262,672/212,651,340
  6. Step 6: Final answer
    x = 158,515,415.59

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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.