Home / 151,064,043.48-208,456,455.60-84,971,383.51

Finding the Fourth Proportional to 151,064,043.48, 208,456,455.60 and 84,971,383.51

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Solution

The fourth proportional to 151,064,043.48, 208,456,455.60 and 84,971,383.51 is: 117,253,801.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,064,043.48 : 208,456,455.60 = 84,971,383.51 : x
  2. Step 2: Convert to fraction form
    151,064,043.48/208,456,455.60 = 84,971,383.51/x
  3. Step 3: Cross multiply
    151,064,043.48x = 208,456,455.60 × 84,971,383.51
  4. Step 4: Simplify right side
    151,064,043.48x = 17,712,833,433,922,888
  5. Step 5: Solve for x
    x = 17,712,833,433,922,888/151,064,043.48
  6. Step 6: Final answer
    x = 117,253,801.94

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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.