Home / 275,531,795.71-380,233,898.87-151,772,472.83

Finding the Fourth Proportional to 275,531,795.71, 380,233,898.87 and 151,772,472.83

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Solution

The fourth proportional to 275,531,795.71, 380,233,898.87 and 151,772,472.83 is: 209,446,023.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,531,795.71 : 380,233,898.87 = 151,772,472.83 : x
  2. Step 2: Convert to fraction form
    275,531,795.71/380,233,898.87 = 151,772,472.83/x
  3. Step 3: Cross multiply
    275,531,795.71x = 380,233,898.87 × 151,772,472.83
  4. Step 4: Simplify right side
    275,531,795.71x = 57,709,039,085,483,768
  5. Step 5: Solve for x
    x = 57,709,039,085,483,768/275,531,795.71
  6. Step 6: Final answer
    x = 209,446,023.96

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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.