Home / 68,416,524.16-94,379,008.08-42,302,694.40

Finding the Fourth Proportional to 68,416,524.16, 94,379,008.08 and 42,302,694.40

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Solution

The fourth proportional to 68,416,524.16, 94,379,008.08 and 42,302,694.40 is: 58,355,585.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,416,524.16 : 94,379,008.08 = 42,302,694.40 : x
  2. Step 2: Convert to fraction form
    68,416,524.16/94,379,008.08 = 42,302,694.40/x
  3. Step 3: Cross multiply
    68,416,524.16x = 94,379,008.08 × 42,302,694.40
  4. Step 4: Simplify right side
    68,416,524.16x = 3,992,486,336,583,370.50
  5. Step 5: Solve for x
    x = 3,992,486,336,583,370.50/68,416,524.16
  6. Step 6: Final answer
    x = 58,355,585.67

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.