Home / 29,120,469.90-43,680,704.85-28,742,556.30

Finding the Fourth Proportional to 29,120,469.90, 43,680,704.85 and 28,742,556.30

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Solution

The fourth proportional to 29,120,469.90, 43,680,704.85 and 28,742,556.30 is: 43,113,834.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,120,469.90 : 43,680,704.85 = 28,742,556.30 : x
  2. Step 2: Convert to fraction form
    29,120,469.90/43,680,704.85 = 28,742,556.30/x
  3. Step 3: Cross multiply
    29,120,469.90x = 43,680,704.85 × 28,742,556.30
  4. Step 4: Simplify right side
    29,120,469.90x = 1,255,495,118,374,808.25
  5. Step 5: Solve for x
    x = 1,255,495,118,374,808.25/29,120,469.90
  6. Step 6: Final answer
    x = 43,113,834.45

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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.