Home / 201,065,905.50-277,493,470.23-121,724,699.10

Finding the Fourth Proportional to 201,065,905.50, 277,493,470.23 and 121,724,699.10

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Solution

The fourth proportional to 201,065,905.50, 277,493,470.23 and 121,724,699.10 is: 167,993,718.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,065,905.50 : 277,493,470.23 = 121,724,699.10 : x
  2. Step 2: Convert to fraction form
    201,065,905.50/277,493,470.23 = 121,724,699.10/x
  3. Step 3: Cross multiply
    201,065,905.50x = 277,493,470.23 × 121,724,699.10
  4. Step 4: Simplify right side
    201,065,905.50x = 33,777,809,165,961,560
  5. Step 5: Solve for x
    x = 33,777,809,165,961,560/201,065,905.50
  6. Step 6: Final answer
    x = 167,993,718.69

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.