Home / 54,980,518.82-75,868,691.16-31,777,148.66

Finding the Fourth Proportional to 54,980,518.82, 75,868,691.16 and 31,777,148.66

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Solution

The fourth proportional to 54,980,518.82, 75,868,691.16 and 31,777,148.66 is: 43,849,907.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,980,518.82 : 75,868,691.16 = 31,777,148.66 : x
  2. Step 2: Convert to fraction form
    54,980,518.82/75,868,691.16 = 31,777,148.66/x
  3. Step 3: Cross multiply
    54,980,518.82x = 75,868,691.16 × 31,777,148.66
  4. Step 4: Simplify right side
    54,980,518.82x = 2,410,890,677,630,947.50
  5. Step 5: Solve for x
    x = 2,410,890,677,630,947.50/54,980,518.82
  6. Step 6: Final answer
    x = 43,849,907.74

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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.