Home / 149,230,419.40-223,845,629.10-90,878,197.60

Finding the Fourth Proportional to 149,230,419.40, 223,845,629.10 and 90,878,197.60

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Solution

The fourth proportional to 149,230,419.40, 223,845,629.10 and 90,878,197.60 is: 136,317,296.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,230,419.40 : 223,845,629.10 = 90,878,197.60 : x
  2. Step 2: Convert to fraction form
    149,230,419.40/223,845,629.10 = 90,878,197.60/x
  3. Step 3: Cross multiply
    149,230,419.40x = 223,845,629.10 × 90,878,197.60
  4. Step 4: Simplify right side
    149,230,419.40x = 20,342,687,313,246,108
  5. Step 5: Solve for x
    x = 20,342,687,313,246,108/149,230,419.40
  6. Step 6: Final answer
    x = 136,317,296.40

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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.