Home / 70,238,125.12-105,393,515.16-50,966,239.84

Finding the Fourth Proportional to 70,238,125.12, 105,393,515.16 and 50,966,239.84

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Solution

The fourth proportional to 70,238,125.12, 105,393,515.16 and 50,966,239.84 is: 76,475,719.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,238,125.12 : 105,393,515.16 = 50,966,239.84 : x
  2. Step 2: Convert to fraction form
    70,238,125.12/105,393,515.16 = 50,966,239.84/x
  3. Step 3: Cross multiply
    70,238,125.12x = 105,393,515.16 × 50,966,239.84
  4. Step 4: Simplify right side
    70,238,125.12x = 5,371,511,171,225,236
  5. Step 5: Solve for x
    x = 5,371,511,171,225,236/70,238,125.12
  6. Step 6: Final answer
    x = 76,475,719.73

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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.