Home / 45,903,285.95-68,822,969.55-20,330,432.51

Finding the Fourth Proportional to 45,903,285.95, 68,822,969.55 and 20,330,432.51

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Solution

The fourth proportional to 45,903,285.95, 68,822,969.55 and 20,330,432.51 is: 30,481,494.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,903,285.95 : 68,822,969.55 = 20,330,432.51 : x
  2. Step 2: Convert to fraction form
    45,903,285.95/68,822,969.55 = 20,330,432.51/x
  3. Step 3: Cross multiply
    45,903,285.95x = 68,822,969.55 × 20,330,432.51
  4. Step 4: Simplify right side
    45,903,285.95x = 1,399,200,737,268,064.50
  5. Step 5: Solve for x
    x = 1,399,200,737,268,064.50/45,903,285.95
  6. Step 6: Final answer
    x = 30,481,494.05

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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.