Home / 105,092,610.90-145,028,117.97-58,684,558.38

Finding the Fourth Proportional to 105,092,610.90, 145,028,117.97 and 58,684,558.38

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Solution

The fourth proportional to 105,092,610.90, 145,028,117.97 and 58,684,558.38 is: 80,984,866.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,092,610.90 : 145,028,117.97 = 58,684,558.38 : x
  2. Step 2: Convert to fraction form
    105,092,610.90/145,028,117.97 = 58,684,558.38/x
  3. Step 3: Cross multiply
    105,092,610.90x = 145,028,117.97 × 58,684,558.38
  4. Step 4: Simplify right side
    105,092,610.90x = 8,510,911,055,751,992
  5. Step 5: Solve for x
    x = 8,510,911,055,751,992/105,092,610.90
  6. Step 6: Final answer
    x = 80,984,866.42

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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.