Home / 421,004,353.60-631,458,285.18-110,141,968.38

Finding the Fourth Proportional to 421,004,353.60, 631,458,285.18 and 110,141,968.38

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Solution

The fourth proportional to 421,004,353.60, 631,458,285.18 and 110,141,968.38 is: 165,200,330.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    421,004,353.60 : 631,458,285.18 = 110,141,968.38 : x
  2. Step 2: Convert to fraction form
    421,004,353.60/631,458,285.18 = 110,141,968.38/x
  3. Step 3: Cross multiply
    421,004,353.60x = 631,458,285.18 × 110,141,968.38
  4. Step 4: Simplify right side
    421,004,353.60x = 69,550,058,479,584,576
  5. Step 5: Solve for x
    x = 69,550,058,479,584,576/421,004,353.60
  6. Step 6: Final answer
    x = 165,200,330.79

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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.