Home / 298,572,522.55-412,031,993.28-166,421,898.01

Finding the Fourth Proportional to 298,572,522.55, 412,031,993.28 and 166,421,898.01

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Solution

The fourth proportional to 298,572,522.55, 412,031,993.28 and 166,421,898.01 is: 229,663,285.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,572,522.55 : 412,031,993.28 = 166,421,898.01 : x
  2. Step 2: Convert to fraction form
    298,572,522.55/412,031,993.28 = 166,421,898.01/x
  3. Step 3: Cross multiply
    298,572,522.55x = 412,031,993.28 × 166,421,898.01
  4. Step 4: Simplify right side
    298,572,522.55x = 68,571,146,362,171,264
  5. Step 5: Solve for x
    x = 68,571,146,362,171,264/298,572,522.55
  6. Step 6: Final answer
    x = 229,663,285.08

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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.