Home / 302,385,147.82-453,209,230.05-156,738,412.78

Finding the Fourth Proportional to 302,385,147.82, 453,209,230.05 and 156,738,412.78

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Solution

The fourth proportional to 302,385,147.82, 453,209,230.05 and 156,738,412.78 is: 234,916,615.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,385,147.82 : 453,209,230.05 = 156,738,412.78 : x
  2. Step 2: Convert to fraction form
    302,385,147.82/453,209,230.05 = 156,738,412.78/x
  3. Step 3: Cross multiply
    302,385,147.82x = 453,209,230.05 × 156,738,412.78
  4. Step 4: Simplify right side
    302,385,147.82x = 71,035,295,373,562,088
  5. Step 5: Solve for x
    x = 71,035,295,373,562,088/302,385,147.82
  6. Step 6: Final answer
    x = 234,916,615.07

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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.