Home / 415,010,350.86-622,624,712.92-149,142,922.07

Finding the Fourth Proportional to 415,010,350.86, 622,624,712.92 and 149,142,922.07

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Solution

The fourth proportional to 415,010,350.86, 622,624,712.92 and 149,142,922.07 is: 223,753,621.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    415,010,350.86 : 622,624,712.92 = 149,142,922.07 : x
  2. Step 2: Convert to fraction form
    415,010,350.86/622,624,712.92 = 149,142,922.07/x
  3. Step 3: Cross multiply
    415,010,350.86x = 622,624,712.92 × 149,142,922.07
  4. Step 4: Simplify right side
    415,010,350.86x = 92,860,069,034,986,064
  5. Step 5: Solve for x
    x = 92,860,069,034,986,064/415,010,350.86
  6. Step 6: Final answer
    x = 223,753,621.67

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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.