Home / 248,247,255.87-342,581,211.74-143,885,861.48

Finding the Fourth Proportional to 248,247,255.87, 342,581,211.74 and 143,885,861.48

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Solution

The fourth proportional to 248,247,255.87, 342,581,211.74 and 143,885,861.48 is: 198,562,488.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,247,255.87 : 342,581,211.74 = 143,885,861.48 : x
  2. Step 2: Convert to fraction form
    248,247,255.87/342,581,211.74 = 143,885,861.48/x
  3. Step 3: Cross multiply
    248,247,255.87x = 342,581,211.74 × 143,885,861.48
  4. Step 4: Simplify right side
    248,247,255.87x = 49,292,592,779,288,352
  5. Step 5: Solve for x
    x = 49,292,592,779,288,352/248,247,255.87
  6. Step 6: Final answer
    x = 198,562,488.06

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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.