Home / 208,069,492.56-311,878,965.96-135,338,249.04

Finding the Fourth Proportional to 208,069,492.56, 311,878,965.96 and 135,338,249.04

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Solution

The fourth proportional to 208,069,492.56, 311,878,965.96 and 135,338,249.04 is: 202,860,845.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,069,492.56 : 311,878,965.96 = 135,338,249.04 : x
  2. Step 2: Convert to fraction form
    208,069,492.56/311,878,965.96 = 135,338,249.04/x
  3. Step 3: Cross multiply
    208,069,492.56x = 311,878,965.96 × 135,338,249.04
  4. Step 4: Simplify right side
    208,069,492.56x = 42,209,153,165,432,160
  5. Step 5: Solve for x
    x = 42,209,153,165,432,160/208,069,492.56
  6. Step 6: Final answer
    x = 202,860,845.41

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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.