Home / 54,938,468.24-82,415,256.72-20,391,934.64

Finding the Fourth Proportional to 54,938,468.24, 82,415,256.72 and 20,391,934.64

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Solution

The fourth proportional to 54,938,468.24, 82,415,256.72 and 20,391,934.64 is: 30,590,705.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,938,468.24 : 82,415,256.72 = 20,391,934.64 : x
  2. Step 2: Convert to fraction form
    54,938,468.24/82,415,256.72 = 20,391,934.64/x
  3. Step 3: Cross multiply
    54,938,468.24x = 82,415,256.72 × 20,391,934.64
  4. Step 4: Simplify right side
    54,938,468.24x = 1,680,606,528,373,060.75
  5. Step 5: Solve for x
    x = 1,680,606,528,373,060.75/54,938,468.24
  6. Step 6: Final answer
    x = 30,590,705.97

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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.