Home / 105,205,120.57-145,187,550.11-58,795,373.12

Finding the Fourth Proportional to 105,205,120.57, 145,187,550.11 and 58,795,373.12

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Solution

The fourth proportional to 105,205,120.57, 145,187,550.11 and 58,795,373.12 is: 81,140,120.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,205,120.57 : 145,187,550.11 = 58,795,373.12 : x
  2. Step 2: Convert to fraction form
    105,205,120.57/145,187,550.11 = 58,795,373.12/x
  3. Step 3: Cross multiply
    105,205,120.57x = 145,187,550.11 × 58,795,373.12
  4. Step 4: Simplify right side
    105,205,120.57x = 8,536,356,181,096,147
  5. Step 5: Solve for x
    x = 8,536,356,181,096,147/105,205,120.57
  6. Step 6: Final answer
    x = 81,140,120.70

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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.