Home / 307,622,852.88-424,520,682.53-168,406,568.52

Finding the Fourth Proportional to 307,622,852.88, 424,520,682.53 and 168,406,568.52

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Solution

The fourth proportional to 307,622,852.88, 424,520,682.53 and 168,406,568.52 is: 232,401,691.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,622,852.88 : 424,520,682.53 = 168,406,568.52 : x
  2. Step 2: Convert to fraction form
    307,622,852.88/424,520,682.53 = 168,406,568.52/x
  3. Step 3: Cross multiply
    307,622,852.88x = 424,520,682.53 × 168,406,568.52
  4. Step 4: Simplify right side
    307,622,852.88x = 71,492,071,409,803,576
  5. Step 5: Solve for x
    x = 71,492,071,409,803,576/307,622,852.88
  6. Step 6: Final answer
    x = 232,401,691.68

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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.