Home / 90,128,106.20-135,190,681.93-28,716,430.66

Finding the Fourth Proportional to 90,128,106.20, 135,190,681.93 and 28,716,430.66

Calculator

Solution

The fourth proportional to 90,128,106.20, 135,190,681.93 and 28,716,430.66 is: 43,074,175.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,128,106.20 : 135,190,681.93 = 28,716,430.66 : x
  2. Step 2: Convert to fraction form
    90,128,106.20/135,190,681.93 = 28,716,430.66/x
  3. Step 3: Cross multiply
    90,128,106.20x = 135,190,681.93 × 28,716,430.66
  4. Step 4: Simplify right side
    90,128,106.20x = 3,882,193,843,979,326.50
  5. Step 5: Solve for x
    x = 3,882,193,843,979,326.50/90,128,106.20
  6. Step 6: Final answer
    x = 43,074,175.28

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.