Home / 124,173,321.60-186,259,982.40-121,622,404.80

Finding the Fourth Proportional to 124,173,321.60, 186,259,982.40 and 121,622,404.80

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Solution

The fourth proportional to 124,173,321.60, 186,259,982.40 and 121,622,404.80 is: 182,433,607.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,173,321.60 : 186,259,982.40 = 121,622,404.80 : x
  2. Step 2: Convert to fraction form
    124,173,321.60/186,259,982.40 = 121,622,404.80/x
  3. Step 3: Cross multiply
    124,173,321.60x = 186,259,982.40 × 121,622,404.80
  4. Step 4: Simplify right side
    124,173,321.60x = 22,653,386,977,493,676
  5. Step 5: Solve for x
    x = 22,653,386,977,493,676/124,173,321.60
  6. Step 6: Final answer
    x = 182,433,607.20

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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.