Home / 268,321,998.60-402,196,014.27-122,537,103.48

Finding the Fourth Proportional to 268,321,998.60, 402,196,014.27 and 122,537,103.48

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Solution

The fourth proportional to 268,321,998.60, 402,196,014.27 and 122,537,103.48 is: 183,674,595.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,321,998.60 : 402,196,014.27 = 122,537,103.48 : x
  2. Step 2: Convert to fraction form
    268,321,998.60/402,196,014.27 = 122,537,103.48/x
  3. Step 3: Cross multiply
    268,321,998.60x = 402,196,014.27 × 122,537,103.48
  4. Step 4: Simplify right side
    268,321,998.60x = 49,283,934,619,846,544
  5. Step 5: Solve for x
    x = 49,283,934,619,846,544/268,321,998.60
  6. Step 6: Final answer
    x = 183,674,595.74

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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.