Home / 254,491,622.40-381,708,846.52-70,285,285.76

Finding the Fourth Proportional to 254,491,622.40, 381,708,846.52 and 70,285,285.76

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Solution

The fourth proportional to 254,491,622.40, 381,708,846.52 and 70,285,285.76 is: 105,420,033.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,491,622.40 : 381,708,846.52 = 70,285,285.76 : x
  2. Step 2: Convert to fraction form
    254,491,622.40/381,708,846.52 = 70,285,285.76/x
  3. Step 3: Cross multiply
    254,491,622.40x = 381,708,846.52 × 70,285,285.76
  4. Step 4: Simplify right side
    254,491,622.40x = 26,828,515,354,778,184
  5. Step 5: Solve for x
    x = 26,828,515,354,778,184/254,491,622.40
  6. Step 6: Final answer
    x = 105,420,033.48

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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.