Home / 303,431,534-454,962,990.24-118,978,021.28

Finding the Fourth Proportional to 303,431,534, 454,962,990.24 and 118,978,021.28

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Solution

The fourth proportional to 303,431,534, 454,962,990.24 and 118,978,021.28 is: 178,394,762.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,431,534 : 454,962,990.24 = 118,978,021.28 : x
  2. Step 2: Convert to fraction form
    303,431,534/454,962,990.24 = 118,978,021.28/x
  3. Step 3: Cross multiply
    303,431,534x = 454,962,990.24 × 118,978,021.28
  4. Step 4: Simplify right side
    303,431,534x = 54,130,596,334,387,152
  5. Step 5: Solve for x
    x = 54,130,596,334,387,152/303,431,534
  6. Step 6: Final answer
    x = 178,394,762.14

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