Home / 279,478,854.24-385,682,399.96-162,073,892.67

Finding the Fourth Proportional to 279,478,854.24, 385,682,399.96 and 162,073,892.67

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Solution

The fourth proportional to 279,478,854.24, 385,682,399.96 and 162,073,892.67 is: 223,662,888.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,478,854.24 : 385,682,399.96 = 162,073,892.67 : x
  2. Step 2: Convert to fraction form
    279,478,854.24/385,682,399.96 = 162,073,892.67/x
  3. Step 3: Cross multiply
    279,478,854.24x = 385,682,399.96 × 162,073,892.67
  4. Step 4: Simplify right side
    279,478,854.24x = 62,509,047,895,014,672
  5. Step 5: Solve for x
    x = 62,509,047,895,014,672/279,478,854.24
  6. Step 6: Final answer
    x = 223,662,888.79

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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.