Home / 254,202,419.40-381,303,629.10-69,969,539.40

Finding the Fourth Proportional to 254,202,419.40, 381,303,629.10 and 69,969,539.40

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Solution

The fourth proportional to 254,202,419.40, 381,303,629.10 and 69,969,539.40 is: 104,954,309.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,202,419.40 : 381,303,629.10 = 69,969,539.40 : x
  2. Step 2: Convert to fraction form
    254,202,419.40/381,303,629.10 = 69,969,539.40/x
  3. Step 3: Cross multiply
    254,202,419.40x = 381,303,629.10 × 69,969,539.40
  4. Step 4: Simplify right side
    254,202,419.40x = 26,679,639,299,675,440
  5. Step 5: Solve for x
    x = 26,679,639,299,675,440/254,202,419.40
  6. Step 6: Final answer
    x = 104,954,309.10

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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.