Home / 262,462,629.60-393,691,870.80-68,373,669.60

Finding the Fourth Proportional to 262,462,629.60, 393,691,870.80 and 68,373,669.60

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Solution

The fourth proportional to 262,462,629.60, 393,691,870.80 and 68,373,669.60 is: 102,559,964.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,462,629.60 : 393,691,870.80 = 68,373,669.60 : x
  2. Step 2: Convert to fraction form
    262,462,629.60/393,691,870.80 = 68,373,669.60/x
  3. Step 3: Cross multiply
    262,462,629.60x = 393,691,870.80 × 68,373,669.60
  4. Step 4: Simplify right side
    262,462,629.60x = 26,918,157,898,285,088
  5. Step 5: Solve for x
    x = 26,918,157,898,285,088/262,462,629.60
  6. Step 6: Final answer
    x = 102,559,964.21

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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.