Home / 196,702,955.10-295,054,432.65-139,260,087.90

Finding the Fourth Proportional to 196,702,955.10, 295,054,432.65 and 139,260,087.90

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Solution

The fourth proportional to 196,702,955.10, 295,054,432.65 and 139,260,087.90 is: 208,890,131.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,702,955.10 : 295,054,432.65 = 139,260,087.90 : x
  2. Step 2: Convert to fraction form
    196,702,955.10/295,054,432.65 = 139,260,087.90/x
  3. Step 3: Cross multiply
    196,702,955.10x = 295,054,432.65 × 139,260,087.90
  4. Step 4: Simplify right side
    196,702,955.10x = 41,089,306,226,123,632
  5. Step 5: Solve for x
    x = 41,089,306,226,123,632/196,702,955.10
  6. Step 6: Final answer
    x = 208,890,131.85

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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.