Home / 198,513,998.80-297,780,329.40-62,203,829.20

Finding the Fourth Proportional to 198,513,998.80, 297,780,329.40 and 62,203,829.20

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Solution

The fourth proportional to 198,513,998.80, 297,780,329.40 and 62,203,829.20 is: 93,308,667.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,513,998.80 : 297,780,329.40 = 62,203,829.20 : x
  2. Step 2: Convert to fraction form
    198,513,998.80/297,780,329.40 = 62,203,829.20/x
  3. Step 3: Cross multiply
    198,513,998.80x = 297,780,329.40 × 62,203,829.20
  4. Step 4: Simplify right side
    198,513,998.80x = 18,523,076,749,117,336
  5. Step 5: Solve for x
    x = 18,523,076,749,117,336/198,513,998.80
  6. Step 6: Final answer
    x = 93,308,667.71

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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.