Home / 320,835,528.16-481,196,404.32-145,917,591.04

Finding the Fourth Proportional to 320,835,528.16, 481,196,404.32 and 145,917,591.04

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Solution

The fourth proportional to 320,835,528.16, 481,196,404.32 and 145,917,591.04 is: 218,850,513.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,835,528.16 : 481,196,404.32 = 145,917,591.04 : x
  2. Step 2: Convert to fraction form
    320,835,528.16/481,196,404.32 = 145,917,591.04/x
  3. Step 3: Cross multiply
    320,835,528.16x = 481,196,404.32 × 145,917,591.04
  4. Step 4: Simplify right side
    320,835,528.16x = 70,215,020,135,484,248
  5. Step 5: Solve for x
    x = 70,215,020,135,484,248/320,835,528.16
  6. Step 6: Final answer
    x = 218,850,513.65

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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.