Home / 302,851,119.78-417,934,841.13-163,621,992.33

Finding the Fourth Proportional to 302,851,119.78, 417,934,841.13 and 163,621,992.33

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Solution

The fourth proportional to 302,851,119.78, 417,934,841.13 and 163,621,992.33 is: 225,798,509.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,851,119.78 : 417,934,841.13 = 163,621,992.33 : x
  2. Step 2: Convert to fraction form
    302,851,119.78/417,934,841.13 = 163,621,992.33/x
  3. Step 3: Cross multiply
    302,851,119.78x = 417,934,841.13 × 163,621,992.33
  4. Step 4: Simplify right side
    302,851,119.78x = 68,383,331,369,812,632
  5. Step 5: Solve for x
    x = 68,383,331,369,812,632/302,851,119.78
  6. Step 6: Final answer
    x = 225,798,509.25

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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.