Home / 103,129,021,016.09-154,693,495,114.54-27,580,208,164.62

Finding the Fourth Proportional to 103,129,021,016.09, 154,693,495,114.54 and 27,580,208,164.62

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Solution

The fourth proportional to 103,129,021,016.09, 154,693,495,114.54 and 27,580,208,164.62 is: 41,370,302,509.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,129,021,016.09 : 154,693,495,114.54 = 27,580,208,164.62 : x
  2. Step 2: Convert to fraction form
    103,129,021,016.09/154,693,495,114.54 = 27,580,208,164.62/x
  3. Step 3: Cross multiply
    103,129,021,016.09x = 154,693,495,114.54 × 27,580,208,164.62
  4. Step 4: Simplify right side
    103,129,021,016.09x = 4,266,478,796,972,104,876,032
  5. Step 5: Solve for x
    x = 4,266,478,796,972,104,876,032/103,129,021,016.09
  6. Step 6: Final answer
    x = 41,370,302,509.77

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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.