Home / 84,575,155-116,703,812.14-49,760,188.60

Finding the Fourth Proportional to 84,575,155, 116,703,812.14 and 49,760,188.60

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Solution

The fourth proportional to 84,575,155, 116,703,812.14 and 49,760,188.60 is: 68,663,234.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,575,155 : 116,703,812.14 = 49,760,188.60 : x
  2. Step 2: Convert to fraction form
    84,575,155/116,703,812.14 = 49,760,188.60/x
  3. Step 3: Cross multiply
    84,575,155x = 116,703,812.14 × 49,760,188.60
  4. Step 4: Simplify right side
    84,575,155x = 5,807,203,702,425,370
  5. Step 5: Solve for x
    x = 5,807,203,702,425,370/84,575,155
  6. Step 6: Final answer
    x = 68,663,234.52

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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.