Home / 84,575,154-116,703,810.76-49,760,187.60

Finding the Fourth Proportional to 84,575,154, 116,703,810.76 and 49,760,187.60

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Solution

The fourth proportional to 84,575,154, 116,703,810.76 and 49,760,187.60 is: 68,663,233.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,575,154 : 116,703,810.76 = 49,760,187.60 : x
  2. Step 2: Convert to fraction form
    84,575,154/116,703,810.76 = 49,760,187.60/x
  3. Step 3: Cross multiply
    84,575,154x = 116,703,810.76 × 49,760,187.60
  4. Step 4: Simplify right side
    84,575,154x = 5,807,203,517,052,499
  5. Step 5: Solve for x
    x = 5,807,203,517,052,499/84,575,154
  6. Step 6: Final answer
    x = 68,663,233.14

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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.