Home / 82,944,037.60-124,416,056.40-81,600,344.80

Finding the Fourth Proportional to 82,944,037.60, 124,416,056.40 and 81,600,344.80

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Solution

The fourth proportional to 82,944,037.60, 124,416,056.40 and 81,600,344.80 is: 122,400,517.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,944,037.60 : 124,416,056.40 = 81,600,344.80 : x
  2. Step 2: Convert to fraction form
    82,944,037.60/124,416,056.40 = 81,600,344.80/x
  3. Step 3: Cross multiply
    82,944,037.60x = 124,416,056.40 × 81,600,344.80
  4. Step 4: Simplify right side
    82,944,037.60x = 10,152,393,100,896,246
  5. Step 5: Solve for x
    x = 10,152,393,100,896,246/82,944,037.60
  6. Step 6: Final answer
    x = 122,400,517.20

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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.