Home / 254,491,623.40-381,708,848.02-70,285,286.76

Finding the Fourth Proportional to 254,491,623.40, 381,708,848.02 and 70,285,286.76

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Solution

The fourth proportional to 254,491,623.40, 381,708,848.02 and 70,285,286.76 is: 105,420,034.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,491,623.40 : 381,708,848.02 = 70,285,286.76 : x
  2. Step 2: Convert to fraction form
    254,491,623.40/381,708,848.02 = 70,285,286.76/x
  3. Step 3: Cross multiply
    254,491,623.40x = 381,708,848.02 × 70,285,286.76
  4. Step 4: Simplify right side
    254,491,623.40x = 26,828,515,841,914,960
  5. Step 5: Solve for x
    x = 26,828,515,841,914,960/254,491,623.40
  6. Step 6: Final answer
    x = 105,420,034.98

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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.