Home / 103,779,757.06-155,702,018.22-30,999,409.66

Finding the Fourth Proportional to 103,779,757.06, 155,702,018.22 and 30,999,409.66

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Solution

The fourth proportional to 103,779,757.06, 155,702,018.22 and 30,999,409.66 is: 46,508,787.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,779,757.06 : 155,702,018.22 = 30,999,409.66 : x
  2. Step 2: Convert to fraction form
    103,779,757.06/155,702,018.22 = 30,999,409.66/x
  3. Step 3: Cross multiply
    103,779,757.06x = 155,702,018.22 × 30,999,409.66
  4. Step 4: Simplify right side
    103,779,757.06x = 4,826,670,647,690,564
  5. Step 5: Solve for x
    x = 4,826,670,647,690,564/103,779,757.06
  6. Step 6: Final answer
    x = 46,508,787.31

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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.