Home / 307,202,267.54-423,980,602.79-173,267,676.35

Finding the Fourth Proportional to 307,202,267.54, 423,980,602.79 and 173,267,676.35

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Solution

The fourth proportional to 307,202,267.54, 423,980,602.79 and 173,267,676.35 is: 239,132,785.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,202,267.54 : 423,980,602.79 = 173,267,676.35 : x
  2. Step 2: Convert to fraction form
    307,202,267.54/423,980,602.79 = 173,267,676.35/x
  3. Step 3: Cross multiply
    307,202,267.54x = 423,980,602.79 × 173,267,676.35
  4. Step 4: Simplify right side
    307,202,267.54x = 73,462,133,861,499,312
  5. Step 5: Solve for x
    x = 73,462,133,861,499,312/307,202,267.54
  6. Step 6: Final answer
    x = 239,132,785.21

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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.