Home / 298,572,465.02-412,031,912.94-166,421,839.11

Finding the Fourth Proportional to 298,572,465.02, 412,031,912.94 and 166,421,839.11

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Solution

The fourth proportional to 298,572,465.02, 412,031,912.94 and 166,421,839.11 is: 229,663,203.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,572,465.02 : 412,031,912.94 = 166,421,839.11 : x
  2. Step 2: Convert to fraction form
    298,572,465.02/412,031,912.94 = 166,421,839.11/x
  3. Step 3: Cross multiply
    298,572,465.02x = 412,031,912.94 × 166,421,839.11
  4. Step 4: Simplify right side
    298,572,465.02x = 68,571,108,721,941,080
  5. Step 5: Solve for x
    x = 68,571,108,721,941,080/298,572,465.02
  6. Step 6: Final answer
    x = 229,663,203.26

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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.