Home / 158,480,930.40-237,721,395.60-115,115,344.80

Finding the Fourth Proportional to 158,480,930.40, 237,721,395.60 and 115,115,344.80

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Solution

The fourth proportional to 158,480,930.40, 237,721,395.60 and 115,115,344.80 is: 172,673,017.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,480,930.40 : 237,721,395.60 = 115,115,344.80 : x
  2. Step 2: Convert to fraction form
    158,480,930.40/237,721,395.60 = 115,115,344.80/x
  3. Step 3: Cross multiply
    158,480,930.40x = 237,721,395.60 × 115,115,344.80
  4. Step 4: Simplify right side
    158,480,930.40x = 27,365,380,420,831,200
  5. Step 5: Solve for x
    x = 27,365,380,420,831,200/158,480,930.40
  6. Step 6: Final answer
    x = 172,673,017.20

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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.