Home / 123,897,686.40-185,846,529.60-75,524,745.60

Finding the Fourth Proportional to 123,897,686.40, 185,846,529.60 and 75,524,745.60

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Solution

The fourth proportional to 123,897,686.40, 185,846,529.60 and 75,524,745.60 is: 113,287,118.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,897,686.40 : 185,846,529.60 = 75,524,745.60 : x
  2. Step 2: Convert to fraction form
    123,897,686.40/185,846,529.60 = 75,524,745.60/x
  3. Step 3: Cross multiply
    123,897,686.40x = 185,846,529.60 × 75,524,745.60
  4. Step 4: Simplify right side
    123,897,686.40x = 14,036,011,868,682,868
  5. Step 5: Solve for x
    x = 14,036,011,868,682,868/123,897,686.40
  6. Step 6: Final answer
    x = 113,287,118.40

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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.