Home / 155,585,627.60-214,708,095.14-85,970,399.54

Finding the Fourth Proportional to 155,585,627.60, 214,708,095.14 and 85,970,399.54

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Solution

The fourth proportional to 155,585,627.60, 214,708,095.14 and 85,970,399.54 is: 118,639,112.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,585,627.60 : 214,708,095.14 = 85,970,399.54 : x
  2. Step 2: Convert to fraction form
    155,585,627.60/214,708,095.14 = 85,970,399.54/x
  3. Step 3: Cross multiply
    155,585,627.60x = 214,708,095.14 × 85,970,399.54
  4. Step 4: Simplify right side
    155,585,627.60x = 18,458,540,722,154,740
  5. Step 5: Solve for x
    x = 18,458,540,722,154,740/155,585,627.60
  6. Step 6: Final answer
    x = 118,639,112.16

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.