Home / 71,575,809.27-107,355,673.77-19,767,777.13

Finding the Fourth Proportional to 71,575,809.27, 107,355,673.77 and 19,767,777.13

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Solution

The fourth proportional to 71,575,809.27, 107,355,673.77 and 19,767,777.13 is: 29,649,445.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,575,809.27 : 107,355,673.77 = 19,767,777.13 : x
  2. Step 2: Convert to fraction form
    71,575,809.27/107,355,673.77 = 19,767,777.13/x
  3. Step 3: Cross multiply
    71,575,809.27x = 107,355,673.77 × 19,767,777.13
  4. Step 4: Simplify right side
    71,575,809.27x = 2,122,183,032,726,346.75
  5. Step 5: Solve for x
    x = 2,122,183,032,726,346.75/71,575,809.27
  6. Step 6: Final answer
    x = 29,649,445.17

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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.