Home / 275,639,461.20-380,399,400.36-151,880,105.52

Finding the Fourth Proportional to 275,639,461.20, 380,399,400.36 and 151,880,105.52

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Solution

The fourth proportional to 275,639,461.20, 380,399,400.36 and 151,880,105.52 is: 209,603,881.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,639,461.20 : 380,399,400.36 = 151,880,105.52 : x
  2. Step 2: Convert to fraction form
    275,639,461.20/380,399,400.36 = 151,880,105.52/x
  3. Step 3: Cross multiply
    275,639,461.20x = 380,399,400.36 × 151,880,105.52
  4. Step 4: Simplify right side
    275,639,461.20x = 57,775,101,066,421,536
  5. Step 5: Solve for x
    x = 57,775,101,066,421,536/275,639,461.20
  6. Step 6: Final answer
    x = 209,603,881.88

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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.