Home / 55,385,609.76-83,081,957.58-21,306,955.64

Finding the Fourth Proportional to 55,385,609.76, 83,081,957.58 and 21,306,955.64

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Solution

The fourth proportional to 55,385,609.76, 83,081,957.58 and 21,306,955.64 is: 31,961,796.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,385,609.76 : 83,081,957.58 = 21,306,955.64 : x
  2. Step 2: Convert to fraction form
    55,385,609.76/83,081,957.58 = 21,306,955.64/x
  3. Step 3: Cross multiply
    55,385,609.76x = 83,081,957.58 × 21,306,955.64
  4. Step 4: Simplify right side
    55,385,609.76x = 1,770,223,584,226,012
  5. Step 5: Solve for x
    x = 1,770,223,584,226,012/55,385,609.76
  6. Step 6: Final answer
    x = 31,961,796.43

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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.