Home / 97,703,999.20-146,555,998.80-69,038,552.80

Finding the Fourth Proportional to 97,703,999.20, 146,555,998.80 and 69,038,552.80

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Solution

The fourth proportional to 97,703,999.20, 146,555,998.80 and 69,038,552.80 is: 103,557,829.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,703,999.20 : 146,555,998.80 = 69,038,552.80 : x
  2. Step 2: Convert to fraction form
    97,703,999.20/146,555,998.80 = 69,038,552.80/x
  3. Step 3: Cross multiply
    97,703,999.20x = 146,555,998.80 × 69,038,552.80
  4. Step 4: Simplify right side
    97,703,999.20x = 10,118,014,061,310,538
  5. Step 5: Solve for x
    x = 10,118,014,061,310,538/97,703,999.20
  6. Step 6: Final answer
    x = 103,557,829.20

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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.