Home / 131,633,999.80-197,450,999.70-99,109,810.60

Finding the Fourth Proportional to 131,633,999.80, 197,450,999.70 and 99,109,810.60

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Solution

The fourth proportional to 131,633,999.80, 197,450,999.70 and 99,109,810.60 is: 148,664,715.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,633,999.80 : 197,450,999.70 = 99,109,810.60 : x
  2. Step 2: Convert to fraction form
    131,633,999.80/197,450,999.70 = 99,109,810.60/x
  3. Step 3: Cross multiply
    131,633,999.80x = 197,450,999.70 × 99,109,810.60
  4. Step 4: Simplify right side
    131,633,999.80x = 19,569,331,183,047,656
  5. Step 5: Solve for x
    x = 19,569,331,183,047,656/131,633,999.80
  6. Step 6: Final answer
    x = 148,664,715.90

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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.