Home / 188,895,358.26-260,683,686.52-105,263,603.46

Finding the Fourth Proportional to 188,895,358.26, 260,683,686.52 and 105,263,603.46

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Solution

The fourth proportional to 188,895,358.26, 260,683,686.52 and 105,263,603.46 is: 145,268,282.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,895,358.26 : 260,683,686.52 = 105,263,603.46 : x
  2. Step 2: Convert to fraction form
    188,895,358.26/260,683,686.52 = 105,263,603.46/x
  3. Step 3: Cross multiply
    188,895,358.26x = 260,683,686.52 × 105,263,603.46
  4. Step 4: Simplify right side
    188,895,358.26x = 27,440,504,206,069,068
  5. Step 5: Solve for x
    x = 27,440,504,206,069,068/188,895,358.26
  6. Step 6: Final answer
    x = 145,268,282.18

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.