Home / 43,406,936.40-65,110,404.60-40,929,675.60

Finding the Fourth Proportional to 43,406,936.40, 65,110,404.60 and 40,929,675.60

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Solution

The fourth proportional to 43,406,936.40, 65,110,404.60 and 40,929,675.60 is: 61,394,513.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,406,936.40 : 65,110,404.60 = 40,929,675.60 : x
  2. Step 2: Convert to fraction form
    43,406,936.40/65,110,404.60 = 40,929,675.60/x
  3. Step 3: Cross multiply
    43,406,936.40x = 65,110,404.60 × 40,929,675.60
  4. Step 4: Simplify right side
    43,406,936.40x = 2,664,947,738,462,748
  5. Step 5: Solve for x
    x = 2,664,947,738,462,748/43,406,936.40
  6. Step 6: Final answer
    x = 61,394,513.40

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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.