Home / 103,775,020.20-143,211,230.21-61,962,738.89

Finding the Fourth Proportional to 103,775,020.20, 143,211,230.21 and 61,962,738.89

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Solution

The fourth proportional to 103,775,020.20, 143,211,230.21 and 61,962,738.89 is: 85,509,596.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,775,020.20 : 143,211,230.21 = 61,962,738.89 : x
  2. Step 2: Convert to fraction form
    103,775,020.20/143,211,230.21 = 61,962,738.89/x
  3. Step 3: Cross multiply
    103,775,020.20x = 143,211,230.21 × 61,962,738.89
  4. Step 4: Simplify right side
    103,775,020.20x = 8,873,760,063,666,125
  5. Step 5: Solve for x
    x = 8,873,760,063,666,125/103,775,020.20
  6. Step 6: Final answer
    x = 85,509,596.11

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