Home / 75,786,888.48-104,585,832.40-40,979,495.60

Finding the Fourth Proportional to 75,786,888.48, 104,585,832.40 and 40,979,495.60

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Solution

The fourth proportional to 75,786,888.48, 104,585,832.40 and 40,979,495.60 is: 56,551,664.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,786,888.48 : 104,585,832.40 = 40,979,495.60 : x
  2. Step 2: Convert to fraction form
    75,786,888.48/104,585,832.40 = 40,979,495.60/x
  3. Step 3: Cross multiply
    75,786,888.48x = 104,585,832.40 × 40,979,495.60
  4. Step 4: Simplify right side
    75,786,888.48x = 4,285,874,658,658,138
  5. Step 5: Solve for x
    x = 4,285,874,658,658,138/75,786,888.48
  6. Step 6: Final answer
    x = 56,551,664.08

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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.