Home / 54,017,740.89-74,543,785.65-30,813,255.36

Finding the Fourth Proportional to 54,017,740.89, 74,543,785.65 and 30,813,255.36

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Solution

The fourth proportional to 54,017,740.89, 74,543,785.65 and 30,813,255.36 is: 42,521,894.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,017,740.89 : 74,543,785.65 = 30,813,255.36 : x
  2. Step 2: Convert to fraction form
    54,017,740.89/74,543,785.65 = 30,813,255.36/x
  3. Step 3: Cross multiply
    54,017,740.89x = 74,543,785.65 × 30,813,255.36
  4. Step 4: Simplify right side
    54,017,740.89x = 2,296,936,702,734,553.50
  5. Step 5: Solve for x
    x = 2,296,936,702,734,553.50/54,017,740.89
  6. Step 6: Final answer
    x = 42,521,894.93

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.