Home / 235,860,400.80-353,790,601.20-121,069,144.80

Finding the Fourth Proportional to 235,860,400.80, 353,790,601.20 and 121,069,144.80

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Solution

The fourth proportional to 235,860,400.80, 353,790,601.20 and 121,069,144.80 is: 181,603,717.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,860,400.80 : 353,790,601.20 = 121,069,144.80 : x
  2. Step 2: Convert to fraction form
    235,860,400.80/353,790,601.20 = 121,069,144.80/x
  3. Step 3: Cross multiply
    235,860,400.80x = 353,790,601.20 × 121,069,144.80
  4. Step 4: Simplify right side
    235,860,400.80x = 42,833,125,525,561,848
  5. Step 5: Solve for x
    x = 42,833,125,525,561,848/235,860,400.80
  6. Step 6: Final answer
    x = 181,603,717.20

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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.