Home / 307,658,108.18-424,568,136.53-166,529,300.63

Finding the Fourth Proportional to 307,658,108.18, 424,568,136.53 and 166,529,300.63

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Solution

The fourth proportional to 307,658,108.18, 424,568,136.53 and 166,529,300.63 is: 229,810,406.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,658,108.18 : 424,568,136.53 = 166,529,300.63 : x
  2. Step 2: Convert to fraction form
    307,658,108.18/424,568,136.53 = 166,529,300.63/x
  3. Step 3: Cross multiply
    307,658,108.18x = 424,568,136.53 × 166,529,300.63
  4. Step 4: Simplify right side
    307,658,108.18x = 70,703,034,844,416,744
  5. Step 5: Solve for x
    x = 70,703,034,844,416,744/307,658,108.18
  6. Step 6: Final answer
    x = 229,810,406.30

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1.5x scale

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.