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Finding the Fourth Proportional to 163,295,998.80, 244,943,998.20 and 98,798,744.40

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Solution

The fourth proportional to 163,295,998.80, 244,943,998.20 and 98,798,744.40 is: 148,198,116.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,295,998.80 : 244,943,998.20 = 98,798,744.40 : x
  2. Step 2: Convert to fraction form
    163,295,998.80/244,943,998.20 = 98,798,744.40/x
  3. Step 3: Cross multiply
    163,295,998.80x = 244,943,998.20 × 98,798,744.40
  4. Step 4: Simplify right side
    163,295,998.80x = 24,200,159,470,475,860
  5. Step 5: Solve for x
    x = 24,200,159,470,475,860/163,295,998.80
  6. Step 6: Final answer
    x = 148,198,116.60

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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.