Home / 186,862,992.31-280,229,578.96-103,991,210.67

Finding the Fourth Proportional to 186,862,992.31, 280,229,578.96 and 103,991,210.67

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Solution

The fourth proportional to 186,862,992.31, 280,229,578.96 and 103,991,210.67 is: 155,950,693.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,862,992.31 : 280,229,578.96 = 103,991,210.67 : x
  2. Step 2: Convert to fraction form
    186,862,992.31/280,229,578.96 = 103,991,210.67/x
  3. Step 3: Cross multiply
    186,862,992.31x = 280,229,578.96 × 103,991,210.67
  4. Step 4: Simplify right side
    186,862,992.31x = 29,141,413,181,594,756
  5. Step 5: Solve for x
    x = 29,141,413,181,594,756/186,862,992.31
  6. Step 6: Final answer
    x = 155,950,693.19

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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.