Home / 55,096,346.68-82,618,981.69-20,543,470.98

Finding the Fourth Proportional to 55,096,346.68, 82,618,981.69 and 20,543,470.98

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Solution

The fourth proportional to 55,096,346.68, 82,618,981.69 and 20,543,470.98 is: 30,805,684.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,096,346.68 : 82,618,981.69 = 20,543,470.98 : x
  2. Step 2: Convert to fraction form
    55,096,346.68/82,618,981.69 = 20,543,470.98/x
  3. Step 3: Cross multiply
    55,096,346.68x = 82,618,981.69 × 20,543,470.98
  4. Step 4: Simplify right side
    55,096,346.68x = 1,697,280,652,745,666.25
  5. Step 5: Solve for x
    x = 1,697,280,652,745,666.25/55,096,346.68
  6. Step 6: Final answer
    x = 30,805,684.13

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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.