Home / 121,863,535.20-168,171,678.57-69,653,691.87

Finding the Fourth Proportional to 121,863,535.20, 168,171,678.57 and 69,653,691.87

Calculator

Solution

The fourth proportional to 121,863,535.20, 168,171,678.57 and 69,653,691.87 is: 96,122,094.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,863,535.20 : 168,171,678.57 = 69,653,691.87 : x
  2. Step 2: Convert to fraction form
    121,863,535.20/168,171,678.57 = 69,653,691.87/x
  3. Step 3: Cross multiply
    121,863,535.20x = 168,171,678.57 × 69,653,691.87
  4. Step 4: Simplify right side
    121,863,535.20x = 11,713,778,280,006,018
  5. Step 5: Solve for x
    x = 11,713,778,280,006,018/121,863,535.20
  6. Step 6: Final answer
    x = 96,122,094.77

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.