Home / 188,722,401.60-283,083,602.40-128,256,225.60

Finding the Fourth Proportional to 188,722,401.60, 283,083,602.40 and 128,256,225.60

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Solution

The fourth proportional to 188,722,401.60, 283,083,602.40 and 128,256,225.60 is: 192,384,338.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,722,401.60 : 283,083,602.40 = 128,256,225.60 : x
  2. Step 2: Convert to fraction form
    188,722,401.60/283,083,602.40 = 128,256,225.60/x
  3. Step 3: Cross multiply
    188,722,401.60x = 283,083,602.40 × 128,256,225.60
  4. Step 4: Simplify right side
    188,722,401.60x = 36,307,234,373,075,096
  5. Step 5: Solve for x
    x = 36,307,234,373,075,096/188,722,401.60
  6. Step 6: Final answer
    x = 192,384,338.40

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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.