Home / 103,423,565.43-142,725,483-57,015,480.09

Finding the Fourth Proportional to 103,423,565.43, 142,725,483 and 57,015,480.09

Calculator

Solution

The fourth proportional to 103,423,565.43, 142,725,483 and 57,015,480.09 is: 78,681,893.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,423,565.43 : 142,725,483 = 57,015,480.09 : x
  2. Step 2: Convert to fraction form
    103,423,565.43/142,725,483 = 57,015,480.09/x
  3. Step 3: Cross multiply
    103,423,565.43x = 142,725,483 × 57,015,480.09
  4. Step 4: Simplify right side
    103,423,565.43x = 8,137,561,934,322,134
  5. Step 5: Solve for x
    x = 8,137,561,934,322,134/103,423,565.43
  6. Step 6: Final answer
    x = 78,681,893.25

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.