Home / 405,278,216.73-607,927,277.75-114,143,369.76

Finding the Fourth Proportional to 405,278,216.73, 607,927,277.75 and 114,143,369.76

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Solution

The fourth proportional to 405,278,216.73, 607,927,277.75 and 114,143,369.76 is: 171,217,857.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    405,278,216.73 : 607,927,277.75 = 114,143,369.76 : x
  2. Step 2: Convert to fraction form
    405,278,216.73/607,927,277.75 = 114,143,369.76/x
  3. Step 3: Cross multiply
    405,278,216.73x = 607,927,277.75 × 114,143,369.76
  4. Step 4: Simplify right side
    405,278,216.73x = 69,390,868,050,837,760
  5. Step 5: Solve for x
    x = 69,390,868,050,837,760/405,278,216.73
  6. Step 6: Final answer
    x = 171,217,857.72

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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.