Home / 79,911,914.15-110,278,732.16-43,242,485.15

Finding the Fourth Proportional to 79,911,914.15, 110,278,732.16 and 43,242,485.15

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Solution

The fourth proportional to 79,911,914.15, 110,278,732.16 and 43,242,485.15 is: 59,674,786.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,911,914.15 : 110,278,732.16 = 43,242,485.15 : x
  2. Step 2: Convert to fraction form
    79,911,914.15/110,278,732.16 = 43,242,485.15/x
  3. Step 3: Cross multiply
    79,911,914.15x = 110,278,732.16 × 43,242,485.15
  4. Step 4: Simplify right side
    79,911,914.15x = 4,768,726,437,789,627
  5. Step 5: Solve for x
    x = 4,768,726,437,789,627/79,911,914.15
  6. Step 6: Final answer
    x = 59,674,786.78

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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.