Home / 173,776,782.72-260,661,765.60-70,143,231.36

Finding the Fourth Proportional to 173,776,782.72, 260,661,765.60 and 70,143,231.36

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Solution

The fourth proportional to 173,776,782.72, 260,661,765.60 and 70,143,231.36 is: 105,213,471.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,776,782.72 : 260,661,765.60 = 70,143,231.36 : x
  2. Step 2: Convert to fraction form
    173,776,782.72/260,661,765.60 = 70,143,231.36/x
  3. Step 3: Cross multiply
    173,776,782.72x = 260,661,765.60 × 70,143,231.36
  4. Step 4: Simplify right side
    173,776,782.72x = 18,283,658,531,186,888
  5. Step 5: Solve for x
    x = 18,283,658,531,186,888/173,776,782.72
  6. Step 6: Final answer
    x = 105,213,471.24

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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.