Home / 152,956,847.78-229,271,898.66-87,236,491.76

Finding the Fourth Proportional to 152,956,847.78, 229,271,898.66 and 87,236,491.76

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Solution

The fourth proportional to 152,956,847.78, 229,271,898.66 and 87,236,491.76 is: 130,761,560.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,956,847.78 : 229,271,898.66 = 87,236,491.76 : x
  2. Step 2: Convert to fraction form
    152,956,847.78/229,271,898.66 = 87,236,491.76/x
  3. Step 3: Cross multiply
    152,956,847.78x = 229,271,898.66 × 87,236,491.76
  4. Step 4: Simplify right side
    152,956,847.78x = 20,000,876,098,825,824
  5. Step 5: Solve for x
    x = 20,000,876,098,825,824/152,956,847.78
  6. Step 6: Final answer
    x = 130,761,560.46

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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.