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Finding the Fourth Proportional to 55,320,363.35, 82,980,545.03 and 55,320,363.35

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Solution

The fourth proportional to 55,320,363.35, 82,980,545.03 and 55,320,363.35 is: 82,980,545.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,320,363.35 : 82,980,545.03 = 55,320,363.35 : x
  2. Step 2: Convert to fraction form
    55,320,363.35/82,980,545.03 = 55,320,363.35/x
  3. Step 3: Cross multiply
    55,320,363.35x = 82,980,545.03 × 55,320,363.35
  4. Step 4: Simplify right side
    55,320,363.35x = 4,590,513,901,764,035
  5. Step 5: Solve for x
    x = 4,590,513,901,764,035/55,320,363.35
  6. Step 6: Final answer
    x = 82,980,545.03

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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.