Home / 75,320,991.36-103,946,420.40-41,830,623.60

Finding the Fourth Proportional to 75,320,991.36, 103,946,420.40 and 41,830,623.60

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Solution

The fourth proportional to 75,320,991.36, 103,946,420.40 and 41,830,623.60 is: 57,728,177.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,320,991.36 : 103,946,420.40 = 41,830,623.60 : x
  2. Step 2: Convert to fraction form
    75,320,991.36/103,946,420.40 = 41,830,623.60/x
  3. Step 3: Cross multiply
    75,320,991.36x = 103,946,420.40 × 41,830,623.60
  4. Step 4: Simplify right side
    75,320,991.36x = 4,348,143,586,319,762
  5. Step 5: Solve for x
    x = 4,348,143,586,319,762/75,320,991.36
  6. Step 6: Final answer
    x = 57,728,177.87

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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.