Home / 71,007,621.60-106,511,432.40-30,618,105.60

Finding the Fourth Proportional to 71,007,621.60, 106,511,432.40 and 30,618,105.60

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Solution

The fourth proportional to 71,007,621.60, 106,511,432.40 and 30,618,105.60 is: 45,927,158.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,007,621.60 : 106,511,432.40 = 30,618,105.60 : x
  2. Step 2: Convert to fraction form
    71,007,621.60/106,511,432.40 = 30,618,105.60/x
  3. Step 3: Cross multiply
    71,007,621.60x = 106,511,432.40 × 30,618,105.60
  4. Step 4: Simplify right side
    71,007,621.60x = 3,261,178,284,830,462
  5. Step 5: Solve for x
    x = 3,261,178,284,830,462/71,007,621.60
  6. Step 6: Final answer
    x = 45,927,158.40

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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.