Home / 55,143,212.10-82,717,928.55-16,805,976.90

Finding the Fourth Proportional to 55,143,212.10, 82,717,928.55 and 16,805,976.90

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Solution

The fourth proportional to 55,143,212.10, 82,717,928.55 and 16,805,976.90 is: 25,209,913.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,143,212.10 : 82,717,928.55 = 16,805,976.90 : x
  2. Step 2: Convert to fraction form
    55,143,212.10/82,717,928.55 = 16,805,976.90/x
  3. Step 3: Cross multiply
    55,143,212.10x = 82,717,928.55 × 16,805,976.90
  4. Step 4: Simplify right side
    55,143,212.10x = 1,390,155,596,427,150.25
  5. Step 5: Solve for x
    x = 1,390,155,596,427,150.25/55,143,212.10
  6. Step 6: Final answer
    x = 25,209,913.31

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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.