Home / 200,815,164.40-301,222,746.60-192,312,108.40

Finding the Fourth Proportional to 200,815,164.40, 301,222,746.60 and 192,312,108.40

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Solution

The fourth proportional to 200,815,164.40, 301,222,746.60 and 192,312,108.40 is: 288,468,162.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,815,164.40 : 301,222,746.60 = 192,312,108.40 : x
  2. Step 2: Convert to fraction form
    200,815,164.40/301,222,746.60 = 192,312,108.40/x
  3. Step 3: Cross multiply
    200,815,164.40x = 301,222,746.60 × 192,312,108.40
  4. Step 4: Simplify right side
    200,815,164.40x = 57,928,781,496,684,936
  5. Step 5: Solve for x
    x = 57,928,781,496,684,936/200,815,164.40
  6. Step 6: Final answer
    x = 288,468,162.60

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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.