Home / 124,419,856.40-186,629,784.60-43,648,989.20

Finding the Fourth Proportional to 124,419,856.40, 186,629,784.60 and 43,648,989.20

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Solution

The fourth proportional to 124,419,856.40, 186,629,784.60 and 43,648,989.20 is: 65,473,483.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,419,856.40 : 186,629,784.60 = 43,648,989.20 : x
  2. Step 2: Convert to fraction form
    124,419,856.40/186,629,784.60 = 43,648,989.20/x
  3. Step 3: Cross multiply
    124,419,856.40x = 186,629,784.60 × 43,648,989.20
  4. Step 4: Simplify right side
    124,419,856.40x = 8,146,201,452,403,727
  5. Step 5: Solve for x
    x = 8,146,201,452,403,727/124,419,856.40
  6. Step 6: Final answer
    x = 65,473,483.80

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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.