Home / 74,010,285.05-102,135,000.80-40,971,085.43

Finding the Fourth Proportional to 74,010,285.05, 102,135,000.80 and 40,971,085.43

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Solution

The fourth proportional to 74,010,285.05, 102,135,000.80 and 40,971,085.43 is: 56,540,544.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,010,285.05 : 102,135,000.80 = 40,971,085.43 : x
  2. Step 2: Convert to fraction form
    74,010,285.05/102,135,000.80 = 40,971,085.43/x
  3. Step 3: Cross multiply
    74,010,285.05x = 102,135,000.80 × 40,971,085.43
  4. Step 4: Simplify right side
    74,010,285.05x = 4,184,581,842,761,670.50
  5. Step 5: Solve for x
    x = 4,184,581,842,761,670.50/74,010,285.05
  6. Step 6: Final answer
    x = 56,540,544.87

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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.