Home / 54,112,937.76-81,182,859.10-15,774,788.88

Finding the Fourth Proportional to 54,112,937.76, 81,182,859.10 and 15,774,788.88

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Solution

The fourth proportional to 54,112,937.76, 81,182,859.10 and 15,774,788.88 is: 23,666,104.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,112,937.76 : 81,182,859.10 = 15,774,788.88 : x
  2. Step 2: Convert to fraction form
    54,112,937.76/81,182,859.10 = 15,774,788.88/x
  3. Step 3: Cross multiply
    54,112,937.76x = 81,182,859.10 × 15,774,788.88
  4. Step 4: Simplify right side
    54,112,937.76x = 1,280,642,462,977,286.75
  5. Step 5: Solve for x
    x = 1,280,642,462,977,286.75/54,112,937.76
  6. Step 6: Final answer
    x = 23,666,104.93

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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.