Home / 77,092,961.76-106,412,109.86-49,590,890.01

Finding the Fourth Proportional to 77,092,961.76, 106,412,109.86 and 49,590,890.01

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Solution

The fourth proportional to 77,092,961.76, 106,412,109.86 and 49,590,890.01 is: 68,450,752.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,092,961.76 : 106,412,109.86 = 49,590,890.01 : x
  2. Step 2: Convert to fraction form
    77,092,961.76/106,412,109.86 = 49,590,890.01/x
  3. Step 3: Cross multiply
    77,092,961.76x = 106,412,109.86 × 49,590,890.01
  4. Step 4: Simplify right side
    77,092,961.76x = 5,277,071,236,065,327
  5. Step 5: Solve for x
    x = 5,277,071,236,065,327/77,092,961.76
  6. Step 6: Final answer
    x = 68,450,752.38

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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.