Home / 112,356,171.80-168,534,257.70-86,847,003.80

Finding the Fourth Proportional to 112,356,171.80, 168,534,257.70 and 86,847,003.80

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Solution

The fourth proportional to 112,356,171.80, 168,534,257.70 and 86,847,003.80 is: 130,270,505.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,356,171.80 : 168,534,257.70 = 86,847,003.80 : x
  2. Step 2: Convert to fraction form
    112,356,171.80/168,534,257.70 = 86,847,003.80/x
  3. Step 3: Cross multiply
    112,356,171.80x = 168,534,257.70 × 86,847,003.80
  4. Step 4: Simplify right side
    112,356,171.80x = 14,636,695,318,902,078
  5. Step 5: Solve for x
    x = 14,636,695,318,902,078/112,356,171.80
  6. Step 6: Final answer
    x = 130,270,505.70

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.