Home / 165,502,992.52-228,385,688.64-91,161,952.72

Finding the Fourth Proportional to 165,502,992.52, 228,385,688.64 and 91,161,952.72

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Solution

The fourth proportional to 165,502,992.52, 228,385,688.64 and 91,161,952.72 is: 125,798,845.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,502,992.52 : 228,385,688.64 = 91,161,952.72 : x
  2. Step 2: Convert to fraction form
    165,502,992.52/228,385,688.64 = 91,161,952.72/x
  3. Step 3: Cross multiply
    165,502,992.52x = 228,385,688.64 × 91,161,952.72
  4. Step 4: Simplify right side
    165,502,992.52x = 20,820,085,349,724,320
  5. Step 5: Solve for x
    x = 20,820,085,349,724,320/165,502,992.52
  6. Step 6: Final answer
    x = 125,798,845.28

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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.