Home / 266,880,636.32-368,284,517.52-155,374,686.14

Finding the Fourth Proportional to 266,880,636.32, 368,284,517.52 and 155,374,686.14

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Solution

The fourth proportional to 266,880,636.32, 368,284,517.52 and 155,374,686.14 is: 214,410,802.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,880,636.32 : 368,284,517.52 = 155,374,686.14 : x
  2. Step 2: Convert to fraction form
    266,880,636.32/368,284,517.52 = 155,374,686.14/x
  3. Step 3: Cross multiply
    266,880,636.32x = 368,284,517.52 × 155,374,686.14
  4. Step 4: Simplify right side
    266,880,636.32x = 57,222,091,319,891,320
  5. Step 5: Solve for x
    x = 57,222,091,319,891,320/266,880,636.32
  6. Step 6: Final answer
    x = 214,410,802.18

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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.