Home / 275,662,936.80-380,417,403.72-151,908,042.48

Finding the Fourth Proportional to 275,662,936.80, 380,417,403.72 and 151,908,042.48

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Solution

The fourth proportional to 275,662,936.80, 380,417,403.72 and 151,908,042.48 is: 209,634,504.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,662,936.80 : 380,417,403.72 = 151,908,042.48 : x
  2. Step 2: Convert to fraction form
    275,662,936.80/380,417,403.72 = 151,908,042.48/x
  3. Step 3: Cross multiply
    275,662,936.80x = 380,417,403.72 × 151,908,042.48
  4. Step 4: Simplify right side
    275,662,936.80x = 57,788,463,124,429,072
  5. Step 5: Solve for x
    x = 57,788,463,124,429,072/275,662,936.80
  6. Step 6: Final answer
    x = 209,634,504.35

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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.