Home / 37,103,676,915.45-55,655,515,373.18-19,410,517,990.65

Finding the Fourth Proportional to 37,103,676,915.45, 55,655,515,373.18 and 19,410,517,990.65

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Solution

The fourth proportional to 37,103,676,915.45, 55,655,515,373.18 and 19,410,517,990.65 is: 29,115,776,985.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,103,676,915.45 : 55,655,515,373.18 = 19,410,517,990.65 : x
  2. Step 2: Convert to fraction form
    37,103,676,915.45/55,655,515,373.18 = 19,410,517,990.65/x
  3. Step 3: Cross multiply
    37,103,676,915.45x = 55,655,515,373.18 × 19,410,517,990.65
  4. Step 4: Simplify right side
    37,103,676,915.45x = 1,080,302,382,430,008,115,200
  5. Step 5: Solve for x
    x = 1,080,302,382,430,008,115,200/37,103,676,915.45
  6. Step 6: Final answer
    x = 29,115,776,985.98

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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.