Home / 103,517,568,117.60-155,276,352,176.40-102,485,612,047.20

Finding the Fourth Proportional to 103,517,568,117.60, 155,276,352,176.40 and 102,485,612,047.20

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Solution

The fourth proportional to 103,517,568,117.60, 155,276,352,176.40 and 102,485,612,047.20 is: 153,728,418,070.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,517,568,117.60 : 155,276,352,176.40 = 102,485,612,047.20 : x
  2. Step 2: Convert to fraction form
    103,517,568,117.60/155,276,352,176.40 = 102,485,612,047.20/x
  3. Step 3: Cross multiply
    103,517,568,117.60x = 155,276,352,176.40 × 102,485,612,047.20
  4. Step 4: Simplify right side
    103,517,568,117.60x = 15,913,591,989,254,928,465,920
  5. Step 5: Solve for x
    x = 15,913,591,989,254,928,465,920/103,517,568,117.60
  6. Step 6: Final answer
    x = 153,728,418,070.80

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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.