Home / 243,594,175.88-336,128,988.12-139,179,010.16

Finding the Fourth Proportional to 243,594,175.88, 336,128,988.12 and 139,179,010.16

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Solution

The fourth proportional to 243,594,175.88, 336,128,988.12 and 139,179,010.16 is: 192,049,336.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,594,175.88 : 336,128,988.12 = 139,179,010.16 : x
  2. Step 2: Convert to fraction form
    243,594,175.88/336,128,988.12 = 139,179,010.16/x
  3. Step 3: Cross multiply
    243,594,175.88x = 336,128,988.12 × 139,179,010.16
  4. Step 4: Simplify right side
    243,594,175.88x = 46,782,099,852,624,000
  5. Step 5: Solve for x
    x = 46,782,099,852,624,000/243,594,175.88
  6. Step 6: Final answer
    x = 192,049,336.50

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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.