Home / 436,147,005.12-654,226,206.21-145,014,127.98

Finding the Fourth Proportional to 436,147,005.12, 654,226,206.21 and 145,014,127.98

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Solution

The fourth proportional to 436,147,005.12, 654,226,206.21 and 145,014,127.98 is: 217,523,086.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,147,005.12 : 654,226,206.21 = 145,014,127.98 : x
  2. Step 2: Convert to fraction form
    436,147,005.12/654,226,206.21 = 145,014,127.98/x
  3. Step 3: Cross multiply
    436,147,005.12x = 654,226,206.21 × 145,014,127.98
  4. Step 4: Simplify right side
    436,147,005.12x = 94,872,042,795,206,816
  5. Step 5: Solve for x
    x = 94,872,042,795,206,816/436,147,005.12
  6. Step 6: Final answer
    x = 217,523,086.67

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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.