Home / 120,271,564.78-180,433,919.21-43,592,600.09

Finding the Fourth Proportional to 120,271,564.78, 180,433,919.21 and 43,592,600.09

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Solution

The fourth proportional to 120,271,564.78, 180,433,919.21 and 43,592,600.09 is: 65,398,531.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,271,564.78 : 180,433,919.21 = 43,592,600.09 : x
  2. Step 2: Convert to fraction form
    120,271,564.78/180,433,919.21 = 43,592,600.09/x
  3. Step 3: Cross multiply
    120,271,564.78x = 180,433,919.21 × 43,592,600.09
  4. Step 4: Simplify right side
    120,271,564.78x = 7,865,583,682,574,937
  5. Step 5: Solve for x
    x = 7,865,583,682,574,937/120,271,564.78
  6. Step 6: Final answer
    x = 65,398,531.21

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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.