Home / 368,227,161.72-508,165,355.40-209,453,184.08

Finding the Fourth Proportional to 368,227,161.72, 508,165,355.40 and 209,453,184.08

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Solution

The fourth proportional to 368,227,161.72, 508,165,355.40 and 209,453,184.08 is: 289,052,147.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,227,161.72 : 508,165,355.40 = 209,453,184.08 : x
  2. Step 2: Convert to fraction form
    368,227,161.72/508,165,355.40 = 209,453,184.08/x
  3. Step 3: Cross multiply
    368,227,161.72x = 508,165,355.40 × 209,453,184.08
  4. Step 4: Simplify right side
    368,227,161.72x = 106,436,851,727,674,816
  5. Step 5: Solve for x
    x = 106,436,851,727,674,816/368,227,161.72
  6. Step 6: Final answer
    x = 289,052,147.13

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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.