Home / 358,786,114.80-538,151,178.60-140,394,044.40

Finding the Fourth Proportional to 358,786,114.80, 538,151,178.60 and 140,394,044.40

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Solution

The fourth proportional to 358,786,114.80, 538,151,178.60 and 140,394,044.40 is: 210,580,112.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,786,114.80 : 538,151,178.60 = 140,394,044.40 : x
  2. Step 2: Convert to fraction form
    358,786,114.80/538,151,178.60 = 140,394,044.40/x
  3. Step 3: Cross multiply
    358,786,114.80x = 538,151,178.60 × 140,394,044.40
  4. Step 4: Simplify right side
    358,786,114.80x = 75,553,220,462,280,736
  5. Step 5: Solve for x
    x = 75,553,220,462,280,736/358,786,114.80
  6. Step 6: Final answer
    x = 210,580,112.62

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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.