Home / 165,978,430.02-228,837,268.50-136,098,979.92

Finding the Fourth Proportional to 165,978,430.02, 228,837,268.50 and 136,098,979.92

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Solution

The fourth proportional to 165,978,430.02, 228,837,268.50 and 136,098,979.92 is: 187,641,965.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,978,430.02 : 228,837,268.50 = 136,098,979.92 : x
  2. Step 2: Convert to fraction form
    165,978,430.02/228,837,268.50 = 136,098,979.92/x
  3. Step 3: Cross multiply
    165,978,430.02x = 228,837,268.50 × 136,098,979.92
  4. Step 4: Simplify right side
    165,978,430.02x = 31,144,518,810,529,144
  5. Step 5: Solve for x
    x = 31,144,518,810,529,144/165,978,430.02
  6. Step 6: Final answer
    x = 187,641,965.33

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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.