Home / 55,317,688.40-82,976,532.60-19,415,896.40

Finding the Fourth Proportional to 55,317,688.40, 82,976,532.60 and 19,415,896.40

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Solution

The fourth proportional to 55,317,688.40, 82,976,532.60 and 19,415,896.40 is: 29,123,844.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,317,688.40 : 82,976,532.60 = 19,415,896.40 : x
  2. Step 2: Convert to fraction form
    55,317,688.40/82,976,532.60 = 19,415,896.40/x
  3. Step 3: Cross multiply
    55,317,688.40x = 82,976,532.60 × 19,415,896.40
  4. Step 4: Simplify right side
    55,317,688.40x = 1,611,063,760,592,822.50
  5. Step 5: Solve for x
    x = 1,611,063,760,592,822.50/55,317,688.40
  6. Step 6: Final answer
    x = 29,123,844.60

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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.