Home / 260,091,735.40-390,137,603.10-106,847,770.60

Finding the Fourth Proportional to 260,091,735.40, 390,137,603.10 and 106,847,770.60

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Solution

The fourth proportional to 260,091,735.40, 390,137,603.10 and 106,847,770.60 is: 160,271,655.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,091,735.40 : 390,137,603.10 = 106,847,770.60 : x
  2. Step 2: Convert to fraction form
    260,091,735.40/390,137,603.10 = 106,847,770.60/x
  3. Step 3: Cross multiply
    260,091,735.40x = 390,137,603.10 × 106,847,770.60
  4. Step 4: Simplify right side
    260,091,735.40x = 41,685,333,118,462,648
  5. Step 5: Solve for x
    x = 41,685,333,118,462,648/260,091,735.40
  6. Step 6: Final answer
    x = 160,271,655.90

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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.