Home / 313,340,379.94-432,229,627.88-195,661,428.58

Finding the Fourth Proportional to 313,340,379.94, 432,229,627.88 and 195,661,428.58

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Solution

The fourth proportional to 313,340,379.94, 432,229,627.88 and 195,661,428.58 is: 269,900,312.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,340,379.94 : 432,229,627.88 = 195,661,428.58 : x
  2. Step 2: Convert to fraction form
    313,340,379.94/432,229,627.88 = 195,661,428.58/x
  3. Step 3: Cross multiply
    313,340,379.94x = 432,229,627.88 × 195,661,428.58
  4. Step 4: Simplify right side
    313,340,379.94x = 84,570,666,462,463,136
  5. Step 5: Solve for x
    x = 84,570,666,462,463,136/313,340,379.94
  6. Step 6: Final answer
    x = 269,900,312.50

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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.