Home / 200,622,666.30-300,933,999.45-64,321,827.90

Finding the Fourth Proportional to 200,622,666.30, 300,933,999.45 and 64,321,827.90

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Solution

The fourth proportional to 200,622,666.30, 300,933,999.45 and 64,321,827.90 is: 96,482,741.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,622,666.30 : 300,933,999.45 = 64,321,827.90 : x
  2. Step 2: Convert to fraction form
    200,622,666.30/300,933,999.45 = 64,321,827.90/x
  3. Step 3: Cross multiply
    200,622,666.30x = 300,933,999.45 × 64,321,827.90
  4. Step 4: Simplify right side
    200,622,666.30x = 19,356,624,921,881,592
  5. Step 5: Solve for x
    x = 19,356,624,921,881,592/200,622,666.30
  6. Step 6: Final answer
    x = 96,482,741.85

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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.