Home / 74,524,051.50-111,786,077.25-20,671,363.50

Finding the Fourth Proportional to 74,524,051.50, 111,786,077.25 and 20,671,363.50

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Solution

The fourth proportional to 74,524,051.50, 111,786,077.25 and 20,671,363.50 is: 31,007,045.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,524,051.50 : 111,786,077.25 = 20,671,363.50 : x
  2. Step 2: Convert to fraction form
    74,524,051.50/111,786,077.25 = 20,671,363.50/x
  3. Step 3: Cross multiply
    74,524,051.50x = 111,786,077.25 × 20,671,363.50
  4. Step 4: Simplify right side
    74,524,051.50x = 2,310,770,637,073,830.50
  5. Step 5: Solve for x
    x = 2,310,770,637,073,830.50/74,524,051.50
  6. Step 6: Final answer
    x = 31,007,045.25

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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.