Home / 78,004,687.36-107,649,852.34-43,197,377.80

Finding the Fourth Proportional to 78,004,687.36, 107,649,852.34 and 43,197,377.80

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Solution

The fourth proportional to 78,004,687.36, 107,649,852.34 and 43,197,377.80 is: 59,614,255.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,004,687.36 : 107,649,852.34 = 43,197,377.80 : x
  2. Step 2: Convert to fraction form
    78,004,687.36/107,649,852.34 = 43,197,377.80/x
  3. Step 3: Cross multiply
    78,004,687.36x = 107,649,852.34 × 43,197,377.80
  4. Step 4: Simplify right side
    78,004,687.36x = 4,650,191,341,853,518
  5. Step 5: Solve for x
    x = 4,650,191,341,853,518/78,004,687.36
  6. Step 6: Final answer
    x = 59,614,255.24

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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.