Home / 188,895,360.26-260,683,689.28-105,263,605.46

Finding the Fourth Proportional to 188,895,360.26, 260,683,689.28 and 105,263,605.46

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Solution

The fourth proportional to 188,895,360.26, 260,683,689.28 and 105,263,605.46 is: 145,268,284.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,895,360.26 : 260,683,689.28 = 105,263,605.46 : x
  2. Step 2: Convert to fraction form
    188,895,360.26/260,683,689.28 = 105,263,605.46/x
  3. Step 3: Cross multiply
    188,895,360.26x = 260,683,689.28 × 105,263,605.46
  4. Step 4: Simplify right side
    188,895,360.26x = 27,440,505,018,227,148
  5. Step 5: Solve for x
    x = 27,440,505,018,227,148/188,895,360.26
  6. Step 6: Final answer
    x = 145,268,284.94

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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.