Home / 118,591,728.37-163,647,649.65-72,176,852.41

Finding the Fourth Proportional to 118,591,728.37, 163,647,649.65 and 72,176,852.41

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Solution

The fourth proportional to 118,591,728.37, 163,647,649.65 and 72,176,852.41 is: 99,598,618.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,591,728.37 : 163,647,649.65 = 72,176,852.41 : x
  2. Step 2: Convert to fraction form
    118,591,728.37/163,647,649.65 = 72,176,852.41/x
  3. Step 3: Cross multiply
    118,591,728.37x = 163,647,649.65 × 72,176,852.41
  4. Step 4: Simplify right side
    118,591,728.37x = 11,811,572,256,031,438
  5. Step 5: Solve for x
    x = 11,811,572,256,031,438/118,591,728.37
  6. Step 6: Final answer
    x = 99,598,618.03

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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.