Home / 56,067,376.13-77,372,994.48-30,949,500.70

Finding the Fourth Proportional to 56,067,376.13, 77,372,994.48 and 30,949,500.70

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Solution

The fourth proportional to 56,067,376.13, 77,372,994.48 and 30,949,500.70 is: 42,710,319.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,067,376.13 : 77,372,994.48 = 30,949,500.70 : x
  2. Step 2: Convert to fraction form
    56,067,376.13/77,372,994.48 = 30,949,500.70/x
  3. Step 3: Cross multiply
    56,067,376.13x = 77,372,994.48 × 30,949,500.70
  4. Step 4: Simplify right side
    56,067,376.13x = 2,394,655,546,819,856
  5. Step 5: Solve for x
    x = 2,394,655,546,819,856/56,067,376.13
  6. Step 6: Final answer
    x = 42,710,319.48

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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.