Home / 212,721,299.24-293,555,393.88-114,936,155.24

Finding the Fourth Proportional to 212,721,299.24, 293,555,393.88 and 114,936,155.24

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Solution

The fourth proportional to 212,721,299.24, 293,555,393.88 and 114,936,155.24 is: 158,611,894.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,721,299.24 : 293,555,393.88 = 114,936,155.24 : x
  2. Step 2: Convert to fraction form
    212,721,299.24/293,555,393.88 = 114,936,155.24/x
  3. Step 3: Cross multiply
    212,721,299.24x = 293,555,393.88 × 114,936,155.24
  4. Step 4: Simplify right side
    212,721,299.24x = 33,740,128,322,531,024
  5. Step 5: Solve for x
    x = 33,740,128,322,531,024/212,721,299.24
  6. Step 6: Final answer
    x = 158,611,894.73

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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.