Home / 190,675,489.20-286,050,558.60-81,500,449.20

Finding the Fourth Proportional to 190,675,489.20, 286,050,558.60 and 81,500,449.20

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Solution

The fourth proportional to 190,675,489.20, 286,050,558.60 and 81,500,449.20 is: 122,266,627.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,675,489.20 : 286,050,558.60 = 81,500,449.20 : x
  2. Step 2: Convert to fraction form
    190,675,489.20/286,050,558.60 = 81,500,449.20/x
  3. Step 3: Cross multiply
    190,675,489.20x = 286,050,558.60 × 81,500,449.20
  4. Step 4: Simplify right side
    190,675,489.20x = 23,313,249,019,810,924
  5. Step 5: Solve for x
    x = 23,313,249,019,810,924/190,675,489.20
  6. Step 6: Final answer
    x = 122,266,627.54

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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.