Home / 254,871,019.30-382,308,741.46-82,347,851.24

Finding the Fourth Proportional to 254,871,019.30, 382,308,741.46 and 82,347,851.24

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Solution

The fourth proportional to 254,871,019.30, 382,308,741.46 and 82,347,851.24 is: 123,522,491.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,871,019.30 : 382,308,741.46 = 82,347,851.24 : x
  2. Step 2: Convert to fraction form
    254,871,019.30/382,308,741.46 = 82,347,851.24/x
  3. Step 3: Cross multiply
    254,871,019.30x = 382,308,741.46 × 82,347,851.24
  4. Step 4: Simplify right side
    254,871,019.30x = 31,482,303,369,499,696
  5. Step 5: Solve for x
    x = 31,482,303,369,499,696/254,871,019.30
  6. Step 6: Final answer
    x = 123,522,491.71

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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.