Home / 257,495,899.76-355,333,524.12-145,994,241.20

Finding the Fourth Proportional to 257,495,899.76, 355,333,524.12 and 145,994,241.20

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Solution

The fourth proportional to 257,495,899.76, 355,333,524.12 and 145,994,241.20 is: 201,465,919.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    257,495,899.76 : 355,333,524.12 = 145,994,241.20 : x
  2. Step 2: Convert to fraction form
    257,495,899.76/355,333,524.12 = 145,994,241.20/x
  3. Step 3: Cross multiply
    257,495,899.76x = 355,333,524.12 × 145,994,241.20
  4. Step 4: Simplify right side
    257,495,899.76x = 51,876,648,226,821,296
  5. Step 5: Solve for x
    x = 51,876,648,226,821,296/257,495,899.76
  6. Step 6: Final answer
    x = 201,465,919.56

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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.