Home / 81,567,030.80-122,350,546.20-49,318,403.60

Finding the Fourth Proportional to 81,567,030.80, 122,350,546.20 and 49,318,403.60

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Solution

The fourth proportional to 81,567,030.80, 122,350,546.20 and 49,318,403.60 is: 73,977,605.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,567,030.80 : 122,350,546.20 = 49,318,403.60 : x
  2. Step 2: Convert to fraction form
    81,567,030.80/122,350,546.20 = 49,318,403.60/x
  3. Step 3: Cross multiply
    81,567,030.80x = 122,350,546.20 × 49,318,403.60
  4. Step 4: Simplify right side
    81,567,030.80x = 6,034,133,618,172,047
  5. Step 5: Solve for x
    x = 6,034,133,618,172,047/81,567,030.80
  6. Step 6: Final answer
    x = 73,977,605.40

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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.