Home / 105,187,292.62-145,155,679.32-58,777,927.90

Finding the Fourth Proportional to 105,187,292.62, 145,155,679.32 and 58,777,927.90

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Solution

The fourth proportional to 105,187,292.62, 145,155,679.32 and 58,777,927.90 is: 81,111,984.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,187,292.62 : 145,155,679.32 = 58,777,927.90 : x
  2. Step 2: Convert to fraction form
    105,187,292.62/145,155,679.32 = 58,777,927.90/x
  3. Step 3: Cross multiply
    105,187,292.62x = 145,155,679.32 × 58,777,927.90
  4. Step 4: Simplify right side
    105,187,292.62x = 8,531,950,053,204,009
  5. Step 5: Solve for x
    x = 8,531,950,053,204,009/105,187,292.62
  6. Step 6: Final answer
    x = 81,111,984.55

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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.