Home / 284,388,385.36-392,436,149.04-160,605,147.64

Finding the Fourth Proportional to 284,388,385.36, 392,436,149.04 and 160,605,147.64

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Solution

The fourth proportional to 284,388,385.36, 392,436,149.04 and 160,605,147.64 is: 221,623,909.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,388,385.36 : 392,436,149.04 = 160,605,147.64 : x
  2. Step 2: Convert to fraction form
    284,388,385.36/392,436,149.04 = 160,605,147.64/x
  3. Step 3: Cross multiply
    284,388,385.36x = 392,436,149.04 × 160,605,147.64
  4. Step 4: Simplify right side
    284,388,385.36x = 63,027,265,655,842,240
  5. Step 5: Solve for x
    x = 63,027,265,655,842,240/284,388,385.36
  6. Step 6: Final answer
    x = 221,623,909.06

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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.