Home / 305,461,922.30-421,551,333.96-180,019,412.54

Finding the Fourth Proportional to 305,461,922.30, 421,551,333.96 and 180,019,412.54

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Solution

The fourth proportional to 305,461,922.30, 421,551,333.96 and 180,019,412.54 is: 248,434,969.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    305,461,922.30 : 421,551,333.96 = 180,019,412.54 : x
  2. Step 2: Convert to fraction form
    305,461,922.30/421,551,333.96 = 180,019,412.54/x
  3. Step 3: Cross multiply
    305,461,922.30x = 421,551,333.96 × 180,019,412.54
  4. Step 4: Simplify right side
    305,461,922.30x = 75,887,423,494,932,544
  5. Step 5: Solve for x
    x = 75,887,423,494,932,544/305,461,922.30
  6. Step 6: Final answer
    x = 248,434,969.97

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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.