Home / 53,918,675.20-80,710,051.20-38,802,131.20

Finding the Fourth Proportional to 53,918,675.20, 80,710,051.20 and 38,802,131.20

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Solution

The fourth proportional to 53,918,675.20, 80,710,051.20 and 38,802,131.20 is: 58,082,324.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,918,675.20 : 80,710,051.20 = 38,802,131.20 : x
  2. Step 2: Convert to fraction form
    53,918,675.20/80,710,051.20 = 38,802,131.20/x
  3. Step 3: Cross multiply
    53,918,675.20x = 80,710,051.20 × 38,802,131.20
  4. Step 4: Simplify right side
    53,918,675.20x = 3,131,721,995,821,118
  5. Step 5: Solve for x
    x = 3,131,721,995,821,118/53,918,675.20
  6. Step 6: Final answer
    x = 58,082,324.62

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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.