Home / 143,803,805.20-215,705,707.80-119,888,960.20

Finding the Fourth Proportional to 143,803,805.20, 215,705,707.80 and 119,888,960.20

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Solution

The fourth proportional to 143,803,805.20, 215,705,707.80 and 119,888,960.20 is: 179,833,440.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,803,805.20 : 215,705,707.80 = 119,888,960.20 : x
  2. Step 2: Convert to fraction form
    143,803,805.20/215,705,707.80 = 119,888,960.20/x
  3. Step 3: Cross multiply
    143,803,805.20x = 215,705,707.80 × 119,888,960.20
  4. Step 4: Simplify right side
    143,803,805.20x = 25,860,733,017,347,032
  5. Step 5: Solve for x
    x = 25,860,733,017,347,032/143,803,805.20
  6. Step 6: Final answer
    x = 179,833,440.30

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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.