Home / 120,288,145.14-180,508,122.54-51,200,837.10

Finding the Fourth Proportional to 120,288,145.14, 180,508,122.54 and 51,200,837.10

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Solution

The fourth proportional to 120,288,145.14, 180,508,122.54 and 51,200,837.10 is: 76,833,564.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,288,145.14 : 180,508,122.54 = 51,200,837.10 : x
  2. Step 2: Convert to fraction form
    120,288,145.14/180,508,122.54 = 51,200,837.10/x
  3. Step 3: Cross multiply
    120,288,145.14x = 180,508,122.54 × 51,200,837.10
  4. Step 4: Simplify right side
    120,288,145.14x = 9,242,166,977,397,378
  5. Step 5: Solve for x
    x = 9,242,166,977,397,378/120,288,145.14
  6. Step 6: Final answer
    x = 76,833,564.66

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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.