Home / 165,978,431.02-228,837,269.88-136,098,980.92

Finding the Fourth Proportional to 165,978,431.02, 228,837,269.88 and 136,098,980.92

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Solution

The fourth proportional to 165,978,431.02, 228,837,269.88 and 136,098,980.92 is: 187,641,966.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,978,431.02 : 228,837,269.88 = 136,098,980.92 : x
  2. Step 2: Convert to fraction form
    165,978,431.02/228,837,269.88 = 136,098,980.92/x
  3. Step 3: Cross multiply
    165,978,431.02x = 228,837,269.88 × 136,098,980.92
  4. Step 4: Simplify right side
    165,978,431.02x = 31,144,519,227,183,008
  5. Step 5: Solve for x
    x = 31,144,519,227,183,008/165,978,431.02
  6. Step 6: Final answer
    x = 187,641,966.70

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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.