Home / 148,709,754.12-205,210,464.48-82,627,992.84

Finding the Fourth Proportional to 148,709,754.12, 205,210,464.48 and 82,627,992.84

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Solution

The fourth proportional to 148,709,754.12, 205,210,464.48 and 82,627,992.84 is: 114,021,631.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,709,754.12 : 205,210,464.48 = 82,627,992.84 : x
  2. Step 2: Convert to fraction form
    148,709,754.12/205,210,464.48 = 82,627,992.84/x
  3. Step 3: Cross multiply
    148,709,754.12x = 205,210,464.48 × 82,627,992.84
  4. Step 4: Simplify right side
    148,709,754.12x = 16,956,128,789,746,514
  5. Step 5: Solve for x
    x = 16,956,128,789,746,514/148,709,754.12
  6. Step 6: Final answer
    x = 114,021,631.53

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.