Home / 151,128,000.20-226,692,000.30-142,170,048.20

Finding the Fourth Proportional to 151,128,000.20, 226,692,000.30 and 142,170,048.20

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Solution

The fourth proportional to 151,128,000.20, 226,692,000.30 and 142,170,048.20 is: 213,255,072.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,128,000.20 : 226,692,000.30 = 142,170,048.20 : x
  2. Step 2: Convert to fraction form
    151,128,000.20/226,692,000.30 = 142,170,048.20/x
  3. Step 3: Cross multiply
    151,128,000.20x = 226,692,000.30 × 142,170,048.20
  4. Step 4: Simplify right side
    151,128,000.20x = 32,228,812,609,205,412
  5. Step 5: Solve for x
    x = 32,228,812,609,205,412/151,128,000.20
  6. Step 6: Final answer
    x = 213,255,072.30

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1.5x scale

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.