Home / 142,128,002.60-213,192,003.90-142,128,002.60

Finding the Fourth Proportional to 142,128,002.60, 213,192,003.90 and 142,128,002.60

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Solution

The fourth proportional to 142,128,002.60, 213,192,003.90 and 142,128,002.60 is: 213,192,003.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,128,002.60 : 213,192,003.90 = 142,128,002.60 : x
  2. Step 2: Convert to fraction form
    142,128,002.60/213,192,003.90 = 142,128,002.60/x
  3. Step 3: Cross multiply
    142,128,002.60x = 213,192,003.90 × 142,128,002.60
  4. Step 4: Simplify right side
    142,128,002.60x = 30,300,553,684,598,408
  5. Step 5: Solve for x
    x = 30,300,553,684,598,408/142,128,002.60
  6. Step 6: Final answer
    x = 213,192,003.90

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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.