Home / 189,530,928-284,296,430.88-68,362,367.04

Finding the Fourth Proportional to 189,530,928, 284,296,430.88 and 68,362,367.04

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Solution

The fourth proportional to 189,530,928, 284,296,430.88 and 68,362,367.04 is: 102,543,564.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,530,928 : 284,296,430.88 = 68,362,367.04 : x
  2. Step 2: Convert to fraction form
    189,530,928/284,296,430.88 = 68,362,367.04/x
  3. Step 3: Cross multiply
    189,530,928x = 284,296,430.88 × 68,362,367.04
  4. Step 4: Simplify right side
    189,530,928x = 19,435,176,955,980,552
  5. Step 5: Solve for x
    x = 19,435,176,955,980,552/189,530,928
  6. Step 6: Final answer
    x = 102,543,564.58

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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.