Home / 275,676,587.20-413,514,880.80-173,639,915.20

Finding the Fourth Proportional to 275,676,587.20, 413,514,880.80 and 173,639,915.20

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Solution

The fourth proportional to 275,676,587.20, 413,514,880.80 and 173,639,915.20 is: 260,459,872.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,676,587.20 : 413,514,880.80 = 173,639,915.20 : x
  2. Step 2: Convert to fraction form
    275,676,587.20/413,514,880.80 = 173,639,915.20/x
  3. Step 3: Cross multiply
    275,676,587.20x = 413,514,880.80 × 173,639,915.20
  4. Step 4: Simplify right side
    275,676,587.20x = 71,802,688,836,050,104
  5. Step 5: Solve for x
    x = 71,802,688,836,050,104/275,676,587.20
  6. Step 6: Final answer
    x = 260,459,872.80

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.