Home / 125,452,682.52-173,114,552.02-72,532,785.49

Finding the Fourth Proportional to 125,452,682.52, 173,114,552.02 and 72,532,785.49

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Solution

The fourth proportional to 125,452,682.52, 173,114,552.02 and 72,532,785.49 is: 100,089,375.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,452,682.52 : 173,114,552.02 = 72,532,785.49 : x
  2. Step 2: Convert to fraction form
    125,452,682.52/173,114,552.02 = 72,532,785.49/x
  3. Step 3: Cross multiply
    125,452,682.52x = 173,114,552.02 × 72,532,785.49
  4. Step 4: Simplify right side
    125,452,682.52x = 12,556,480,666,124,262
  5. Step 5: Solve for x
    x = 12,556,480,666,124,262/125,452,682.52
  6. Step 6: Final answer
    x = 100,089,375.64

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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.