Home / 295,611,495.12-407,926,335.44-163,442,118.42

Finding the Fourth Proportional to 295,611,495.12, 407,926,335.44 and 163,442,118.42

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Solution

The fourth proportional to 295,611,495.12, 407,926,335.44 and 163,442,118.42 is: 225,540,432.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,611,495.12 : 407,926,335.44 = 163,442,118.42 : x
  2. Step 2: Convert to fraction form
    295,611,495.12/407,926,335.44 = 163,442,118.42/x
  3. Step 3: Cross multiply
    295,611,495.12x = 407,926,335.44 × 163,442,118.42
  4. Step 4: Simplify right side
    295,611,495.12x = 66,672,344,422,803,904
  5. Step 5: Solve for x
    x = 66,672,344,422,803,904/295,611,495.12
  6. Step 6: Final answer
    x = 225,540,432.37

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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.