Home / 138,781,851.20-208,023,477.60-52,486,913.60

Finding the Fourth Proportional to 138,781,851.20, 208,023,477.60 and 52,486,913.60

Calculator

Solution

The fourth proportional to 138,781,851.20, 208,023,477.60 and 52,486,913.60 is: 78,673,905.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,781,851.20 : 208,023,477.60 = 52,486,913.60 : x
  2. Step 2: Convert to fraction form
    138,781,851.20/208,023,477.60 = 52,486,913.60/x
  3. Step 3: Cross multiply
    138,781,851.20x = 208,023,477.60 × 52,486,913.60
  4. Step 4: Simplify right side
    138,781,851.20x = 10,918,510,295,562,736
  5. Step 5: Solve for x
    x = 10,918,510,295,562,736/138,781,851.20
  6. Step 6: Final answer
    x = 78,673,905.85

Related Problems

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.