Home / 208,212,376.82-310,457,091.60-202,491,871.30

Finding the Fourth Proportional to 208,212,376.82, 310,457,091.60 and 202,491,871.30

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Solution

The fourth proportional to 208,212,376.82, 310,457,091.60 and 202,491,871.30 is: 301,927,476.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,212,376.82 : 310,457,091.60 = 202,491,871.30 : x
  2. Step 2: Convert to fraction form
    208,212,376.82/310,457,091.60 = 202,491,871.30/x
  3. Step 3: Cross multiply
    208,212,376.82x = 310,457,091.60 × 202,491,871.30
  4. Step 4: Simplify right side
    208,212,376.82x = 62,865,037,435,079,712
  5. Step 5: Solve for x
    x = 62,865,037,435,079,712/208,212,376.82
  6. Step 6: Final answer
    x = 301,927,476.14

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.