Home / 105,187,295.25-145,155,682.95-58,777,930.53

Finding the Fourth Proportional to 105,187,295.25, 145,155,682.95 and 58,777,930.53

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Solution

The fourth proportional to 105,187,295.25, 145,155,682.95 and 58,777,930.53 is: 81,111,988.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,187,295.25 : 145,155,682.95 = 58,777,930.53 : x
  2. Step 2: Convert to fraction form
    105,187,295.25/145,155,682.95 = 58,777,930.53/x
  3. Step 3: Cross multiply
    105,187,295.25x = 145,155,682.95 × 58,777,930.53
  4. Step 4: Simplify right side
    105,187,295.25x = 8,531,950,648,469,805
  5. Step 5: Solve for x
    x = 8,531,950,648,469,805/105,187,295.25
  6. Step 6: Final answer
    x = 81,111,988.17

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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.