Home / 275,480,651.52-380,180,492.64-151,721,295.84

Finding the Fourth Proportional to 275,480,651.52, 380,180,492.64 and 151,721,295.84

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Solution

The fourth proportional to 275,480,651.52, 380,180,492.64 and 151,721,295.84 is: 209,384,857.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,480,651.52 : 380,180,492.64 = 151,721,295.84 : x
  2. Step 2: Convert to fraction form
    275,480,651.52/380,180,492.64 = 151,721,295.84/x
  3. Step 3: Cross multiply
    275,480,651.52x = 380,180,492.64 × 151,721,295.84
  4. Step 4: Simplify right side
    275,480,651.52x = 57,681,476,996,430,384
  5. Step 5: Solve for x
    x = 57,681,476,996,430,384/275,480,651.52
  6. Step 6: Final answer
    x = 209,384,857.62

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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.