Home / 187,012,097.53-280,578,696.12-89,955,175.32

Finding the Fourth Proportional to 187,012,097.53, 280,578,696.12 and 89,955,175.32

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Solution

The fourth proportional to 187,012,097.53, 280,578,696.12 and 89,955,175.32 is: 134,961,888.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,012,097.53 : 280,578,696.12 = 89,955,175.32 : x
  2. Step 2: Convert to fraction form
    187,012,097.53/280,578,696.12 = 89,955,175.32/x
  3. Step 3: Cross multiply
    187,012,097.53x = 280,578,696.12 × 89,955,175.32
  4. Step 4: Simplify right side
    187,012,097.53x = 25,239,505,800,531,604
  5. Step 5: Solve for x
    x = 25,239,505,800,531,604/187,012,097.53
  6. Step 6: Final answer
    x = 134,961,888.21

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.