Home / 231,660,481.04-319,697,706.85-136,297,646.45

Finding the Fourth Proportional to 231,660,481.04, 319,697,706.85 and 136,297,646.45

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Solution

The fourth proportional to 231,660,481.04, 319,697,706.85 and 136,297,646.45 is: 188,094,425.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,660,481.04 : 319,697,706.85 = 136,297,646.45 : x
  2. Step 2: Convert to fraction form
    231,660,481.04/319,697,706.85 = 136,297,646.45/x
  3. Step 3: Cross multiply
    231,660,481.04x = 319,697,706.85 × 136,297,646.45
  4. Step 4: Simplify right side
    231,660,481.04x = 43,574,045,018,828,912
  5. Step 5: Solve for x
    x = 43,574,045,018,828,912/231,660,481.04
  6. Step 6: Final answer
    x = 188,094,425.19

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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.