Home / 71,575,785-107,355,637.34-19,767,752.82

Finding the Fourth Proportional to 71,575,785, 107,355,637.34 and 19,767,752.82

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Solution

The fourth proportional to 71,575,785, 107,355,637.34 and 19,767,752.82 is: 29,649,408.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,575,785 : 107,355,637.34 = 19,767,752.82 : x
  2. Step 2: Convert to fraction form
    71,575,785/107,355,637.34 = 19,767,752.82/x
  3. Step 3: Cross multiply
    71,575,785x = 107,355,637.34 × 19,767,752.82
  4. Step 4: Simplify right side
    71,575,785x = 2,122,179,702,770,682.50
  5. Step 5: Solve for x
    x = 2,122,179,702,770,682.50/71,575,785
  6. Step 6: Final answer
    x = 29,649,408.70

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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.