Home / 283,098,431.07-390,474,588.79-188,965,116.89

Finding the Fourth Proportional to 283,098,431.07, 390,474,588.79 and 188,965,116.89

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Solution

The fourth proportional to 283,098,431.07, 390,474,588.79 and 188,965,116.89 is: 260,637,531.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,098,431.07 : 390,474,588.79 = 188,965,116.89 : x
  2. Step 2: Convert to fraction form
    283,098,431.07/390,474,588.79 = 188,965,116.89/x
  3. Step 3: Cross multiply
    283,098,431.07x = 390,474,588.79 × 188,965,116.89
  4. Step 4: Simplify right side
    283,098,431.07x = 73,786,076,310,852,256
  5. Step 5: Solve for x
    x = 73,786,076,310,852,256/283,098,431.07
  6. Step 6: Final answer
    x = 260,637,531.73

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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.