Home / 105,205,121.21-145,187,550.99-58,795,373.76

Finding the Fourth Proportional to 105,205,121.21, 145,187,550.99 and 58,795,373.76

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Solution

The fourth proportional to 105,205,121.21, 145,187,550.99 and 58,795,373.76 is: 81,140,121.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,205,121.21 : 145,187,550.99 = 58,795,373.76 : x
  2. Step 2: Convert to fraction form
    105,205,121.21/145,187,550.99 = 58,795,373.76/x
  3. Step 3: Cross multiply
    105,205,121.21x = 145,187,550.99 × 58,795,373.76
  4. Step 4: Simplify right side
    105,205,121.21x = 8,536,356,325,756,108
  5. Step 5: Solve for x
    x = 8,536,356,325,756,108/105,205,121.21
  6. Step 6: Final answer
    x = 81,140,121.58

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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.