Home / 201,442,893.90-302,164,340.85-140,220,890.70

Finding the Fourth Proportional to 201,442,893.90, 302,164,340.85 and 140,220,890.70

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Solution

The fourth proportional to 201,442,893.90, 302,164,340.85 and 140,220,890.70 is: 210,331,336.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,442,893.90 : 302,164,340.85 = 140,220,890.70 : x
  2. Step 2: Convert to fraction form
    201,442,893.90/302,164,340.85 = 140,220,890.70/x
  3. Step 3: Cross multiply
    201,442,893.90x = 302,164,340.85 × 140,220,890.70
  4. Step 4: Simplify right side
    201,442,893.90x = 42,369,753,011,765,392
  5. Step 5: Solve for x
    x = 42,369,753,011,765,392/201,442,893.90
  6. Step 6: Final answer
    x = 210,331,336.05

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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.