Home / 90,991,278-136,486,917-30,407,004

Finding the Fourth Proportional to 90,991,278, 136,486,917 and 30,407,004

Calculator

Solution

The fourth proportional to 90,991,278, 136,486,917 and 30,407,004 is: 45,610,506

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,991,278 : 136,486,917 = 30,407,004 : x
  2. Step 2: Convert to fraction form
    90,991,278/136,486,917 = 30,407,004/x
  3. Step 3: Cross multiply
    90,991,278x = 136,486,917 × 30,407,004
  4. Step 4: Simplify right side
    90,991,278x = 4,150,158,231,166,668
  5. Step 5: Solve for x
    x = 4,150,158,231,166,668/90,991,278
  6. Step 6: Final answer
    x = 45,610,506

Related Problems

Find fourth proportional to 45,495,639, 68,243,458.50 and 15,203,502
Half scale
Find fourth proportional to 181,982,556, 272,973,834 and 60,814,008
Double scale
Find fourth proportional to 90,991,279, 136,486,918.50 and 30,407,005
Similar ratio
Find fourth proportional to 136,486,917, 204,730,375.50 and 45,610,506
1.5x scale

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.