Home / 274,878,875.01-378,976,802.17-178,035,932.53

Finding the Fourth Proportional to 274,878,875.01, 378,976,802.17 and 178,035,932.53

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Solution

The fourth proportional to 274,878,875.01, 378,976,802.17 and 178,035,932.53 is: 245,458,980.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    274,878,875.01 : 378,976,802.17 = 178,035,932.53 : x
  2. Step 2: Convert to fraction form
    274,878,875.01/378,976,802.17 = 178,035,932.53/x
  3. Step 3: Cross multiply
    274,878,875.01x = 378,976,802.17 × 178,035,932.53
  4. Step 4: Simplify right side
    274,878,875.01x = 67,471,488,381,128,192
  5. Step 5: Solve for x
    x = 67,471,488,381,128,192/274,878,875.01
  6. Step 6: Final answer
    x = 245,458,980.35

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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.