Home / 47,318,634.40-70,977,951.60-20,392,290.40

Finding the Fourth Proportional to 47,318,634.40, 70,977,951.60 and 20,392,290.40

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Solution

The fourth proportional to 47,318,634.40, 70,977,951.60 and 20,392,290.40 is: 30,588,435.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,318,634.40 : 70,977,951.60 = 20,392,290.40 : x
  2. Step 2: Convert to fraction form
    47,318,634.40/70,977,951.60 = 20,392,290.40/x
  3. Step 3: Cross multiply
    47,318,634.40x = 70,977,951.60 × 20,392,290.40
  4. Step 4: Simplify right side
    47,318,634.40x = 1,447,403,001,024,344.50
  5. Step 5: Solve for x
    x = 1,447,403,001,024,344.50/47,318,634.40
  6. Step 6: Final answer
    x = 30,588,435.60

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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.