Home / 84,272,418.52-126,408,627.80-23,688,144.52

Finding the Fourth Proportional to 84,272,418.52, 126,408,627.80 and 23,688,144.52

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Solution

The fourth proportional to 84,272,418.52, 126,408,627.80 and 23,688,144.52 is: 35,532,216.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,272,418.52 : 126,408,627.80 = 23,688,144.52 : x
  2. Step 2: Convert to fraction form
    84,272,418.52/126,408,627.80 = 23,688,144.52/x
  3. Step 3: Cross multiply
    84,272,418.52x = 126,408,627.80 × 23,688,144.52
  4. Step 4: Simplify right side
    84,272,418.52x = 2,994,385,843,901,289.50
  5. Step 5: Solve for x
    x = 2,994,385,843,901,289.50/84,272,418.52
  6. Step 6: Final answer
    x = 35,532,216.79

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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.