Home / 124,416,435.60-186,624,653.40-85,449,344.40

Finding the Fourth Proportional to 124,416,435.60, 186,624,653.40 and 85,449,344.40

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Solution

The fourth proportional to 124,416,435.60, 186,624,653.40 and 85,449,344.40 is: 128,174,016.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,416,435.60 : 186,624,653.40 = 85,449,344.40 : x
  2. Step 2: Convert to fraction form
    124,416,435.60/186,624,653.40 = 85,449,344.40/x
  3. Step 3: Cross multiply
    124,416,435.60x = 186,624,653.40 × 85,449,344.40
  4. Step 4: Simplify right side
    124,416,435.60x = 15,946,954,281,907,232
  5. Step 5: Solve for x
    x = 15,946,954,281,907,232/124,416,435.60
  6. Step 6: Final answer
    x = 128,174,016.60

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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.