Home / 307,286,378.76-424,029,567.75-173,316,912.39

Finding the Fourth Proportional to 307,286,378.76, 424,029,567.75 and 173,316,912.39

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Solution

The fourth proportional to 307,286,378.76, 424,029,567.75 and 173,316,912.39 is: 239,162,880.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,286,378.76 : 424,029,567.75 = 173,316,912.39 : x
  2. Step 2: Convert to fraction form
    307,286,378.76/424,029,567.75 = 173,316,912.39/x
  3. Step 3: Cross multiply
    307,286,378.76x = 424,029,567.75 × 173,316,912.39
  4. Step 4: Simplify right side
    307,286,378.76x = 73,491,495,444,496,320
  5. Step 5: Solve for x
    x = 73,491,495,444,496,320/307,286,378.76
  6. Step 6: Final answer
    x = 239,162,880.38

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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.