Home / 196,020,403.20-294,030,604.80-165,409,401.60

Finding the Fourth Proportional to 196,020,403.20, 294,030,604.80 and 165,409,401.60

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Solution

The fourth proportional to 196,020,403.20, 294,030,604.80 and 165,409,401.60 is: 248,114,102.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,020,403.20 : 294,030,604.80 = 165,409,401.60 : x
  2. Step 2: Convert to fraction form
    196,020,403.20/294,030,604.80 = 165,409,401.60/x
  3. Step 3: Cross multiply
    196,020,403.20x = 294,030,604.80 × 165,409,401.60
  4. Step 4: Simplify right side
    196,020,403.20x = 48,635,426,392,054,088
  5. Step 5: Solve for x
    x = 48,635,426,392,054,088/196,020,403.20
  6. Step 6: Final answer
    x = 248,114,102.40

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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.