Home / 350,368,074.63-525,604,361.40-129,022,382.43

Finding the Fourth Proportional to 350,368,074.63, 525,604,361.40 and 129,022,382.43

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Solution

The fourth proportional to 350,368,074.63, 525,604,361.40 and 129,022,382.43 is: 193,552,814.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,368,074.63 : 525,604,361.40 = 129,022,382.43 : x
  2. Step 2: Convert to fraction form
    350,368,074.63/525,604,361.40 = 129,022,382.43/x
  3. Step 3: Cross multiply
    350,368,074.63x = 525,604,361.40 × 129,022,382.43
  4. Step 4: Simplify right side
    350,368,074.63x = 67,814,726,923,426,728
  5. Step 5: Solve for x
    x = 67,814,726,923,426,728/350,368,074.63
  6. Step 6: Final answer
    x = 193,552,814.41

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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.