Home / 421,004,352.60-631,458,283.68-110,141,967.38

Finding the Fourth Proportional to 421,004,352.60, 631,458,283.68 and 110,141,967.38

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Solution

The fourth proportional to 421,004,352.60, 631,458,283.68 and 110,141,967.38 is: 165,200,329.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    421,004,352.60 : 631,458,283.68 = 110,141,967.38 : x
  2. Step 2: Convert to fraction form
    421,004,352.60/631,458,283.68 = 110,141,967.38/x
  3. Step 3: Cross multiply
    421,004,352.60x = 631,458,283.68 × 110,141,967.38
  4. Step 4: Simplify right side
    421,004,352.60x = 69,550,057,679,756,048
  5. Step 5: Solve for x
    x = 69,550,057,679,756,048/421,004,352.60
  6. Step 6: Final answer
    x = 165,200,329.28

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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.