Home / 84,602,885.25-126,904,765.80-38,512,521.45

Finding the Fourth Proportional to 84,602,885.25, 126,904,765.80 and 38,512,521.45

Calculator

Solution

The fourth proportional to 84,602,885.25, 126,904,765.80 and 38,512,521.45 is: 57,768,981.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,602,885.25 : 126,904,765.80 = 38,512,521.45 : x
  2. Step 2: Convert to fraction form
    84,602,885.25/126,904,765.80 = 38,512,521.45/x
  3. Step 3: Cross multiply
    84,602,885.25x = 126,904,765.80 × 38,512,521.45
  4. Step 4: Simplify right side
    84,602,885.25x = 4,887,422,514,979,727
  5. Step 5: Solve for x
    x = 4,887,422,514,979,727/84,602,885.25
  6. Step 6: Final answer
    x = 57,768,981.53

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.