Home / 216,033,387.52-298,127,933.64-123,218,594.68

Finding the Fourth Proportional to 216,033,387.52, 298,127,933.64 and 123,218,594.68

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Solution

The fourth proportional to 216,033,387.52, 298,127,933.64 and 123,218,594.68 is: 170,042,720.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,033,387.52 : 298,127,933.64 = 123,218,594.68 : x
  2. Step 2: Convert to fraction form
    216,033,387.52/298,127,933.64 = 123,218,594.68/x
  3. Step 3: Cross multiply
    216,033,387.52x = 298,127,933.64 × 123,218,594.68
  4. Step 4: Simplify right side
    216,033,387.52x = 36,734,905,017,973,096
  5. Step 5: Solve for x
    x = 36,734,905,017,973,096/216,033,387.52
  6. Step 6: Final answer
    x = 170,042,720.89

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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.