Home / 275,476,308.80-380,174,492.64-151,716,954.56

Finding the Fourth Proportional to 275,476,308.80, 380,174,492.64 and 151,716,954.56

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Solution

The fourth proportional to 275,476,308.80, 380,174,492.64 and 151,716,954.56 is: 209,378,862.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,476,308.80 : 380,174,492.64 = 151,716,954.56 : x
  2. Step 2: Convert to fraction form
    275,476,308.80/380,174,492.64 = 151,716,954.56/x
  3. Step 3: Cross multiply
    275,476,308.80x = 380,174,492.64 × 151,716,954.56
  4. Step 4: Simplify right side
    275,476,308.80x = 57,678,916,224,733,936
  5. Step 5: Solve for x
    x = 57,678,916,224,733,936/275,476,308.80
  6. Step 6: Final answer
    x = 209,378,862.65

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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.