Home / 53,332,663.49-80,005,399.48-18,781,919.51

Finding the Fourth Proportional to 53,332,663.49, 80,005,399.48 and 18,781,919.51

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Solution

The fourth proportional to 53,332,663.49, 80,005,399.48 and 18,781,919.51 is: 28,175,134.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,332,663.49 : 80,005,399.48 = 18,781,919.51 : x
  2. Step 2: Convert to fraction form
    53,332,663.49/80,005,399.48 = 18,781,919.51/x
  3. Step 3: Cross multiply
    53,332,663.49x = 80,005,399.48 × 18,781,919.51
  4. Step 4: Simplify right side
    53,332,663.49x = 1,502,654,972,916,557.75
  5. Step 5: Solve for x
    x = 1,502,654,972,916,557.75/53,332,663.49
  6. Step 6: Final answer
    x = 28,175,134.61

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.