Home / 128,082,851.82-176,754,081.69-69,345,500.94

Finding the Fourth Proportional to 128,082,851.82, 176,754,081.69 and 69,345,500.94

Calculator

Solution

The fourth proportional to 128,082,851.82, 176,754,081.69 and 69,345,500.94 is: 95,696,653.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    128,082,851.82 : 176,754,081.69 = 69,345,500.94 : x
  2. Step 2: Convert to fraction form
    128,082,851.82/176,754,081.69 = 69,345,500.94/x
  3. Step 3: Cross multiply
    128,082,851.82x = 176,754,081.69 × 69,345,500.94
  4. Step 4: Simplify right side
    128,082,851.82x = 12,257,100,337,982,732
  5. Step 5: Solve for x
    x = 12,257,100,337,982,732/128,082,851.82
  6. Step 6: Final answer
    x = 95,696,653.88

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.