Home / 51,023,869.48-70,410,911.48-30,122,634.79

Finding the Fourth Proportional to 51,023,869.48, 70,410,911.48 and 30,122,634.79

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Solution

The fourth proportional to 51,023,869.48, 70,410,911.48 and 30,122,634.79 is: 41,568,038.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,023,869.48 : 70,410,911.48 = 30,122,634.79 : x
  2. Step 2: Convert to fraction form
    51,023,869.48/70,410,911.48 = 30,122,634.79/x
  3. Step 3: Cross multiply
    51,023,869.48x = 70,410,911.48 × 30,122,634.79
  4. Step 4: Simplify right side
    51,023,869.48x = 2,120,962,171,828,503.25
  5. Step 5: Solve for x
    x = 2,120,962,171,828,503.25/51,023,869.48
  6. Step 6: Final answer
    x = 41,568,038.52

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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.