Home / 324,804,202.34-487,011,735.63-103,379,897.78

Finding the Fourth Proportional to 324,804,202.34, 487,011,735.63 and 103,379,897.78

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Solution

The fourth proportional to 324,804,202.34, 487,011,735.63 and 103,379,897.78 is: 155,007,918.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,804,202.34 : 487,011,735.63 = 103,379,897.78 : x
  2. Step 2: Convert to fraction form
    324,804,202.34/487,011,735.63 = 103,379,897.78/x
  3. Step 3: Cross multiply
    324,804,202.34x = 487,011,735.63 × 103,379,897.78
  4. Step 4: Simplify right side
    324,804,202.34x = 50,347,223,448,786,632
  5. Step 5: Solve for x
    x = 50,347,223,448,786,632/324,804,202.34
  6. Step 6: Final answer
    x = 155,007,918.88

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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.