Home / 251,343,010.20-377,014,515.30-130,410,658.20

Finding the Fourth Proportional to 251,343,010.20, 377,014,515.30 and 130,410,658.20

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Solution

The fourth proportional to 251,343,010.20, 377,014,515.30 and 130,410,658.20 is: 195,615,987.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,343,010.20 : 377,014,515.30 = 130,410,658.20 : x
  2. Step 2: Convert to fraction form
    251,343,010.20/377,014,515.30 = 130,410,658.20/x
  3. Step 3: Cross multiply
    251,343,010.20x = 377,014,515.30 × 130,410,658.20
  4. Step 4: Simplify right side
    251,343,010.20x = 49,166,711,091,226,976
  5. Step 5: Solve for x
    x = 49,166,711,091,226,976/251,343,010.20
  6. Step 6: Final answer
    x = 195,615,987.30

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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.