Home / 120,336,354.86-180,521,671.37-37,345,277.60

Finding the Fourth Proportional to 120,336,354.86, 180,521,671.37 and 37,345,277.60

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Solution

The fourth proportional to 120,336,354.86, 180,521,671.37 and 37,345,277.60 is: 56,023,235.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,336,354.86 : 180,521,671.37 = 37,345,277.60 : x
  2. Step 2: Convert to fraction form
    120,336,354.86/180,521,671.37 = 37,345,277.60/x
  3. Step 3: Cross multiply
    120,336,354.86x = 180,521,671.37 × 37,345,277.60
  4. Step 4: Simplify right side
    120,336,354.86x = 6,741,631,930,673,290
  5. Step 5: Solve for x
    x = 6,741,631,930,673,290/120,336,354.86
  6. Step 6: Final answer
    x = 56,023,235.36

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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.