Home / 54,987,989.96-75,874,990.68-31,778,635.04

Finding the Fourth Proportional to 54,987,989.96, 75,874,990.68 and 31,778,635.04

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Solution

The fourth proportional to 54,987,989.96, 75,874,990.68 and 31,778,635.04 is: 43,849,641.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,987,989.96 : 75,874,990.68 = 31,778,635.04 : x
  2. Step 2: Convert to fraction form
    54,987,989.96/75,874,990.68 = 31,778,635.04/x
  3. Step 3: Cross multiply
    54,987,989.96x = 75,874,990.68 × 31,778,635.04
  4. Step 4: Simplify right side
    54,987,989.96x = 2,411,203,637,483,121.50
  5. Step 5: Solve for x
    x = 2,411,203,637,483,121.50/54,987,989.96
  6. Step 6: Final answer
    x = 43,849,641.34

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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.