Home / 275,531,802.70-380,233,908.54-151,772,479.84

Finding the Fourth Proportional to 275,531,802.70, 380,233,908.54 and 151,772,479.84

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Solution

The fourth proportional to 275,531,802.70, 380,233,908.54 and 151,772,479.84 is: 209,446,033.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,531,802.70 : 380,233,908.54 = 151,772,479.84 : x
  2. Step 2: Convert to fraction form
    275,531,802.70/380,233,908.54 = 151,772,479.84/x
  3. Step 3: Cross multiply
    275,531,802.70x = 380,233,908.54 × 151,772,479.84
  4. Step 4: Simplify right side
    275,531,802.70x = 57,709,043,218,371,560
  5. Step 5: Solve for x
    x = 57,709,043,218,371,560/275,531,802.70
  6. Step 6: Final answer
    x = 209,446,033.64

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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.