Home / 293,144,393.20-440,150,490.60-164,009,916.40

Finding the Fourth Proportional to 293,144,393.20, 440,150,490.60 and 164,009,916.40

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Solution

The fourth proportional to 293,144,393.20, 440,150,490.60 and 164,009,916.40 is: 246,257,635.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,144,393.20 : 440,150,490.60 = 164,009,916.40 : x
  2. Step 2: Convert to fraction form
    293,144,393.20/440,150,490.60 = 164,009,916.40/x
  3. Step 3: Cross multiply
    293,144,393.20x = 440,150,490.60 × 164,009,916.40
  4. Step 4: Simplify right side
    293,144,393.20x = 72,189,045,166,724,992
  5. Step 5: Solve for x
    x = 72,189,045,166,724,992/293,144,393.20
  6. Step 6: Final answer
    x = 246,257,635.63

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.