Home / 36,109,122,947.36-54,116,566,863.12-20,172,815,703.34

Finding the Fourth Proportional to 36,109,122,947.36, 54,116,566,863.12 and 20,172,815,703.34

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Solution

The fourth proportional to 36,109,122,947.36, 54,116,566,863.12 and 20,172,815,703.34 is: 30,232,900,738.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,109,122,947.36 : 54,116,566,863.12 = 20,172,815,703.34 : x
  2. Step 2: Convert to fraction form
    36,109,122,947.36/54,116,566,863.12 = 20,172,815,703.34/x
  3. Step 3: Cross multiply
    36,109,122,947.36x = 54,116,566,863.12 × 20,172,815,703.34
  4. Step 4: Simplify right side
    36,109,122,947.36x = 1,091,683,529,827,196,338,176
  5. Step 5: Solve for x
    x = 1,091,683,529,827,196,338,176/36,109,122,947.36
  6. Step 6: Final answer
    x = 30,232,900,738.65

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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.