Home / 100,097,712.40-150,146,568.60-78,598,627.60

Finding the Fourth Proportional to 100,097,712.40, 150,146,568.60 and 78,598,627.60

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Solution

The fourth proportional to 100,097,712.40, 150,146,568.60 and 78,598,627.60 is: 117,897,941.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,097,712.40 : 150,146,568.60 = 78,598,627.60 : x
  2. Step 2: Convert to fraction form
    100,097,712.40/150,146,568.60 = 78,598,627.60/x
  3. Step 3: Cross multiply
    100,097,712.40x = 150,146,568.60 × 78,598,627.60
  4. Step 4: Simplify right side
    100,097,712.40x = 11,801,314,230,809,252
  5. Step 5: Solve for x
    x = 11,801,314,230,809,252/100,097,712.40
  6. Step 6: Final answer
    x = 117,897,941.40

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1.5x scale

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.