Home / 251,343,011.20-377,014,516.80-130,410,659.20

Finding the Fourth Proportional to 251,343,011.20, 377,014,516.80 and 130,410,659.20

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Solution

The fourth proportional to 251,343,011.20, 377,014,516.80 and 130,410,659.20 is: 195,615,988.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,343,011.20 : 377,014,516.80 = 130,410,659.20 : x
  2. Step 2: Convert to fraction form
    251,343,011.20/377,014,516.80 = 130,410,659.20/x
  3. Step 3: Cross multiply
    251,343,011.20x = 377,014,516.80 × 130,410,659.20
  4. Step 4: Simplify right side
    251,343,011.20x = 49,166,711,663,857,480
  5. Step 5: Solve for x
    x = 49,166,711,663,857,480/251,343,011.20
  6. Step 6: Final answer
    x = 195,615,988.80

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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.