Home / 318,328,101.48-477,492,121.44-88,297,196.16

Finding the Fourth Proportional to 318,328,101.48, 477,492,121.44 and 88,297,196.16

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Solution

The fourth proportional to 318,328,101.48, 477,492,121.44 and 88,297,196.16 is: 132,445,785.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,328,101.48 : 477,492,121.44 = 88,297,196.16 : x
  2. Step 2: Convert to fraction form
    318,328,101.48/477,492,121.44 = 88,297,196.16/x
  3. Step 3: Cross multiply
    318,328,101.48x = 477,492,121.44 × 88,297,196.16
  4. Step 4: Simplify right side
    318,328,101.48x = 42,161,215,511,642,216
  5. Step 5: Solve for x
    x = 42,161,215,511,642,216/318,328,101.48
  6. Step 6: Final answer
    x = 132,445,785.70

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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.