Home / 208,212,383.57-310,457,101.66-202,491,878.04

Finding the Fourth Proportional to 208,212,383.57, 310,457,101.66 and 202,491,878.04

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Solution

The fourth proportional to 208,212,383.57, 310,457,101.66 and 202,491,878.04 is: 301,927,486.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,212,383.57 : 310,457,101.66 = 202,491,878.04 : x
  2. Step 2: Convert to fraction form
    208,212,383.57/310,457,101.66 = 202,491,878.04/x
  3. Step 3: Cross multiply
    208,212,383.57x = 310,457,101.66 × 202,491,878.04
  4. Step 4: Simplify right side
    208,212,383.57x = 62,865,041,565,482,376
  5. Step 5: Solve for x
    x = 62,865,041,565,482,376/208,212,383.57
  6. Step 6: Final answer
    x = 301,927,486.20

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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.