Home / 356,591,075.18-534,923,262.36-123,421,405.64

Finding the Fourth Proportional to 356,591,075.18, 534,923,262.36 and 123,421,405.64

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Solution

The fourth proportional to 356,591,075.18, 534,923,262.36 and 123,421,405.64 is: 185,144,793.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,591,075.18 : 534,923,262.36 = 123,421,405.64 : x
  2. Step 2: Convert to fraction form
    356,591,075.18/534,923,262.36 = 123,421,405.64/x
  3. Step 3: Cross multiply
    356,591,075.18x = 534,923,262.36 × 123,421,405.64
  4. Step 4: Simplify right side
    356,591,075.18x = 66,020,980,947,331,096
  5. Step 5: Solve for x
    x = 66,020,980,947,331,096/356,591,075.18
  6. Step 6: Final answer
    x = 185,144,793.42

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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.