Home / 275,531,813.84-380,233,923.63-151,772,490.97

Finding the Fourth Proportional to 275,531,813.84, 380,233,923.63 and 151,772,490.97

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Solution

The fourth proportional to 275,531,813.84, 380,233,923.63 and 151,772,490.97 is: 209,446,048.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,531,813.84 : 380,233,923.63 = 151,772,490.97 : x
  2. Step 2: Convert to fraction form
    275,531,813.84/380,233,923.63 = 151,772,490.97/x
  3. Step 3: Cross multiply
    275,531,813.84x = 380,233,923.63 × 151,772,490.97
  4. Step 4: Simplify right side
    275,531,813.84x = 57,709,049,740,621,840
  5. Step 5: Solve for x
    x = 57,709,049,740,621,840/275,531,813.84
  6. Step 6: Final answer
    x = 209,446,048.85

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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.