Home / 208,829,017.20-313,243,525.80-177,924,082.80

Finding the Fourth Proportional to 208,829,017.20, 313,243,525.80 and 177,924,082.80

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Solution

The fourth proportional to 208,829,017.20, 313,243,525.80 and 177,924,082.80 is: 266,886,124.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,829,017.20 : 313,243,525.80 = 177,924,082.80 : x
  2. Step 2: Convert to fraction form
    208,829,017.20/313,243,525.80 = 177,924,082.80/x
  3. Step 3: Cross multiply
    208,829,017.20x = 313,243,525.80 × 177,924,082.80
  4. Step 4: Simplify right side
    208,829,017.20x = 55,733,567,021,003,144
  5. Step 5: Solve for x
    x = 55,733,567,021,003,144/208,829,017.20
  6. Step 6: Final answer
    x = 266,886,124.20

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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.