Home / 201,448,004.90-302,172,007.35-140,226,001.70

Finding the Fourth Proportional to 201,448,004.90, 302,172,007.35 and 140,226,001.70

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Solution

The fourth proportional to 201,448,004.90, 302,172,007.35 and 140,226,001.70 is: 210,339,002.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,448,004.90 : 302,172,007.35 = 140,226,001.70 : x
  2. Step 2: Convert to fraction form
    201,448,004.90/302,172,007.35 = 140,226,001.70/x
  3. Step 3: Cross multiply
    201,448,004.90x = 302,172,007.35 × 140,226,001.70
  4. Step 4: Simplify right side
    201,448,004.90x = 42,372,372,416,353,512
  5. Step 5: Solve for x
    x = 42,372,372,416,353,512/201,448,004.90
  6. Step 6: Final answer
    x = 210,339,002.55

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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.