Home / 190,804,556.35-286,206,834.53-130,338,380.35

Finding the Fourth Proportional to 190,804,556.35, 286,206,834.53 and 130,338,380.35

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Solution

The fourth proportional to 190,804,556.35, 286,206,834.53 and 130,338,380.35 is: 195,507,570.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,804,556.35 : 286,206,834.53 = 130,338,380.35 : x
  2. Step 2: Convert to fraction form
    190,804,556.35/286,206,834.53 = 130,338,380.35/x
  3. Step 3: Cross multiply
    190,804,556.35x = 286,206,834.53 × 130,338,380.35
  4. Step 4: Simplify right side
    190,804,556.35x = 37,303,735,257,740,648
  5. Step 5: Solve for x
    x = 37,303,735,257,740,648/190,804,556.35
  6. Step 6: Final answer
    x = 195,507,570.53

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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.