Home / 307,848,727.49-424,836,764.07-168,610,521.20

Finding the Fourth Proportional to 307,848,727.49, 424,836,764.07 and 168,610,521.20

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Solution

The fourth proportional to 307,848,727.49, 424,836,764.07 and 168,610,521.20 is: 232,685,542.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,848,727.49 : 424,836,764.07 = 168,610,521.20 : x
  2. Step 2: Convert to fraction form
    307,848,727.49/424,836,764.07 = 168,610,521.20/x
  3. Step 3: Cross multiply
    307,848,727.49x = 424,836,764.07 × 168,610,521.20
  4. Step 4: Simplify right side
    307,848,727.49x = 71,631,948,214,764,128
  5. Step 5: Solve for x
    x = 71,631,948,214,764,128/307,848,727.49
  6. Step 6: Final answer
    x = 232,685,542.67

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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.