Home / 143,803,809.70-215,705,714.55-119,888,964.70

Finding the Fourth Proportional to 143,803,809.70, 215,705,714.55 and 119,888,964.70

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Solution

The fourth proportional to 143,803,809.70, 215,705,714.55 and 119,888,964.70 is: 179,833,447.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,803,809.70 : 215,705,714.55 = 119,888,964.70 : x
  2. Step 2: Convert to fraction form
    143,803,809.70/215,705,714.55 = 119,888,964.70/x
  3. Step 3: Cross multiply
    143,803,809.70x = 215,705,714.55 × 119,888,964.70
  4. Step 4: Simplify right side
    143,803,809.70x = 25,860,734,797,273,228
  5. Step 5: Solve for x
    x = 25,860,734,797,273,228/143,803,809.70
  6. Step 6: Final answer
    x = 179,833,447.05

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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.