Home / 104,259,933.80-143,869,199.56-61,866,188.53

Finding the Fourth Proportional to 104,259,933.80, 143,869,199.56 and 61,866,188.53

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Solution

The fourth proportional to 104,259,933.80, 143,869,199.56 and 61,866,188.53 is: 85,369,697.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,259,933.80 : 143,869,199.56 = 61,866,188.53 : x
  2. Step 2: Convert to fraction form
    104,259,933.80/143,869,199.56 = 61,866,188.53/x
  3. Step 3: Cross multiply
    104,259,933.80x = 143,869,199.56 × 61,866,188.53
  4. Step 4: Simplify right side
    104,259,933.80x = 8,900,639,023,529,806
  5. Step 5: Solve for x
    x = 8,900,639,023,529,806/104,259,933.80
  6. Step 6: Final answer
    x = 85,369,697.63

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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.