Home / 65,201,388.80-97,802,083.20-19,757,278.40

Finding the Fourth Proportional to 65,201,388.80, 97,802,083.20 and 19,757,278.40

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Solution

The fourth proportional to 65,201,388.80, 97,802,083.20 and 19,757,278.40 is: 29,635,917.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,201,388.80 : 97,802,083.20 = 19,757,278.40 : x
  2. Step 2: Convert to fraction form
    65,201,388.80/97,802,083.20 = 19,757,278.40/x
  3. Step 3: Cross multiply
    65,201,388.80x = 97,802,083.20 × 19,757,278.40
  4. Step 4: Simplify right side
    65,201,388.80x = 1,932,302,985,882,362.75
  5. Step 5: Solve for x
    x = 1,932,302,985,882,362.75/65,201,388.80
  6. Step 6: Final answer
    x = 29,635,917.60

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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.