Home / 105,072,802.80-157,476,493.80-51,103,906.80

Finding the Fourth Proportional to 105,072,802.80, 157,476,493.80 and 51,103,906.80

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Solution

The fourth proportional to 105,072,802.80, 157,476,493.80 and 51,103,906.80 is: 76,591,314.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,072,802.80 : 157,476,493.80 = 51,103,906.80 : x
  2. Step 2: Convert to fraction form
    105,072,802.80/157,476,493.80 = 51,103,906.80/x
  3. Step 3: Cross multiply
    105,072,802.80x = 157,476,493.80 × 51,103,906.80
  4. Step 4: Simplify right side
    105,072,802.80x = 8,047,664,062,345,978
  5. Step 5: Solve for x
    x = 8,047,664,062,345,978/105,072,802.80
  6. Step 6: Final answer
    x = 76,591,314.29

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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.