Home / 221,358,549.60-332,137,357.20-100,127,599.20

Finding the Fourth Proportional to 221,358,549.60, 332,137,357.20 and 100,127,599.20

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Solution

The fourth proportional to 221,358,549.60, 332,137,357.20 and 100,127,599.20 is: 150,236,420.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,358,549.60 : 332,137,357.20 = 100,127,599.20 : x
  2. Step 2: Convert to fraction form
    221,358,549.60/332,137,357.20 = 100,127,599.20/x
  3. Step 3: Cross multiply
    221,358,549.60x = 332,137,357.20 × 100,127,599.20
  4. Step 4: Simplify right side
    221,358,549.60x = 33,256,116,181,068,836
  5. Step 5: Solve for x
    x = 33,256,116,181,068,836/221,358,549.60
  6. Step 6: Final answer
    x = 150,236,420.69

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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.