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Finding the Fourth Proportional to 244,662,442.40, 366,993,663.60 and 83,104,378.40

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Solution

The fourth proportional to 244,662,442.40, 366,993,663.60 and 83,104,378.40 is: 124,656,567.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    244,662,442.40 : 366,993,663.60 = 83,104,378.40 : x
  2. Step 2: Convert to fraction form
    244,662,442.40/366,993,663.60 = 83,104,378.40/x
  3. Step 3: Cross multiply
    244,662,442.40x = 366,993,663.60 × 83,104,378.40
  4. Step 4: Simplify right side
    244,662,442.40x = 30,498,780,290,216,712
  5. Step 5: Solve for x
    x = 30,498,780,290,216,712/244,662,442.40
  6. Step 6: Final answer
    x = 124,656,567.60

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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.