Home / 209,930,254.76-289,761,380.02-121,852,627.98

Finding the Fourth Proportional to 209,930,254.76, 289,761,380.02 and 121,852,627.98

Calculator

Solution

The fourth proportional to 209,930,254.76, 289,761,380.02 and 121,852,627.98 is: 168,190,076.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,930,254.76 : 289,761,380.02 = 121,852,627.98 : x
  2. Step 2: Convert to fraction form
    209,930,254.76/289,761,380.02 = 121,852,627.98/x
  3. Step 3: Cross multiply
    209,930,254.76x = 289,761,380.02 × 121,852,627.98
  4. Step 4: Simplify right side
    209,930,254.76x = 35,308,185,642,548,464
  5. Step 5: Solve for x
    x = 35,308,185,642,548,464/209,930,254.76
  6. Step 6: Final answer
    x = 168,190,076.67

Related Problems

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.