Home / 249,034,915.76-343,664,596.32-137,530,474.64

Finding the Fourth Proportional to 249,034,915.76, 343,664,596.32 and 137,530,474.64

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Solution

The fourth proportional to 249,034,915.76, 343,664,596.32 and 137,530,474.64 is: 189,790,073.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,034,915.76 : 343,664,596.32 = 137,530,474.64 : x
  2. Step 2: Convert to fraction form
    249,034,915.76/343,664,596.32 = 137,530,474.64/x
  3. Step 3: Cross multiply
    249,034,915.76x = 343,664,596.32 × 137,530,474.64
  4. Step 4: Simplify right side
    249,034,915.76x = 47,264,355,048,853,592
  5. Step 5: Solve for x
    x = 47,264,355,048,853,592/249,034,915.76
  6. Step 6: Final answer
    x = 189,790,073.83

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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.