Home / 239,576,815.24-330,616,225.50-129,568,528.24

Finding the Fourth Proportional to 239,576,815.24, 330,616,225.50 and 129,568,528.24

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Solution

The fourth proportional to 239,576,815.24, 330,616,225.50 and 129,568,528.24 is: 178,804,688.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,576,815.24 : 330,616,225.50 = 129,568,528.24 : x
  2. Step 2: Convert to fraction form
    239,576,815.24/330,616,225.50 = 129,568,528.24/x
  3. Step 3: Cross multiply
    239,576,815.24x = 330,616,225.50 × 129,568,528.24
  4. Step 4: Simplify right side
    239,576,815.24x = 42,837,457,750,298,960
  5. Step 5: Solve for x
    x = 42,837,457,750,298,960/239,576,815.24
  6. Step 6: Final answer
    x = 178,804,688.21

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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.