Home / 274,878,875.52-378,976,802.85-178,035,933.03

Finding the Fourth Proportional to 274,878,875.52, 378,976,802.85 and 178,035,933.03

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Solution

The fourth proportional to 274,878,875.52, 378,976,802.85 and 178,035,933.03 is: 245,458,981.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    274,878,875.52 : 378,976,802.85 = 178,035,933.03 : x
  2. Step 2: Convert to fraction form
    274,878,875.52/378,976,802.85 = 178,035,933.03/x
  3. Step 3: Cross multiply
    274,878,875.52x = 378,976,802.85 × 178,035,933.03
  4. Step 4: Simplify right side
    274,878,875.52x = 67,471,488,692,126,120
  5. Step 5: Solve for x
    x = 67,471,488,692,126,120/274,878,875.52
  6. Step 6: Final answer
    x = 245,458,981.03

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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.