Home / 66,280,689-99,424,576.46-20,846,026.44

Finding the Fourth Proportional to 66,280,689, 99,424,576.46 and 20,846,026.44

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Solution

The fourth proportional to 66,280,689, 99,424,576.46 and 20,846,026.44 is: 31,270,153.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,280,689 : 99,424,576.46 = 20,846,026.44 : x
  2. Step 2: Convert to fraction form
    66,280,689/99,424,576.46 = 20,846,026.44/x
  3. Step 3: Cross multiply
    66,280,689x = 99,424,576.46 × 20,846,026.44
  4. Step 4: Simplify right side
    66,280,689x = 2,072,607,349,670,961.50
  5. Step 5: Solve for x
    x = 2,072,607,349,670,961.50/66,280,689
  6. Step 6: Final answer
    x = 31,270,153.96

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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.