Home / 141,638,832-212,223,368.84-86,138,794.58

Finding the Fourth Proportional to 141,638,832, 212,223,368.84 and 86,138,794.58

Calculator

Solution

The fourth proportional to 141,638,832, 212,223,368.84 and 86,138,794.58 is: 129,065,348.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,638,832 : 212,223,368.84 = 86,138,794.58 : x
  2. Step 2: Convert to fraction form
    141,638,832/212,223,368.84 = 86,138,794.58/x
  3. Step 3: Cross multiply
    141,638,832x = 212,223,368.84 × 86,138,794.58
  4. Step 4: Simplify right side
    141,638,832x = 18,280,665,172,092,524
  5. Step 5: Solve for x
    x = 18,280,665,172,092,524/141,638,832
  6. Step 6: Final answer
    x = 129,065,348.21

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.