Home / 271,920,827.20-408,001,788.24-142,497,666.40

Finding the Fourth Proportional to 271,920,827.20, 408,001,788.24 and 142,497,666.40

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Solution

The fourth proportional to 271,920,827.20, 408,001,788.24 and 142,497,666.40 is: 213,809,671.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,920,827.20 : 408,001,788.24 = 142,497,666.40 : x
  2. Step 2: Convert to fraction form
    271,920,827.20/408,001,788.24 = 142,497,666.40/x
  3. Step 3: Cross multiply
    271,920,827.20x = 408,001,788.24 × 142,497,666.40
  4. Step 4: Simplify right side
    271,920,827.20x = 58,139,302,711,226,968
  5. Step 5: Solve for x
    x = 58,139,302,711,226,968/271,920,827.20
  6. Step 6: Final answer
    x = 213,809,671.40

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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.