Home / 85,339,830.18-117,756,297.09-51,831,872.34

Finding the Fourth Proportional to 85,339,830.18, 117,756,297.09 and 51,831,872.34

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Solution

The fourth proportional to 85,339,830.18, 117,756,297.09 and 51,831,872.34 is: 71,520,289.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,339,830.18 : 117,756,297.09 = 51,831,872.34 : x
  2. Step 2: Convert to fraction form
    85,339,830.18/117,756,297.09 = 51,831,872.34/x
  3. Step 3: Cross multiply
    85,339,830.18x = 117,756,297.09 × 51,831,872.34
  4. Step 4: Simplify right side
    85,339,830.18x = 6,103,529,357,999,994
  5. Step 5: Solve for x
    x = 6,103,529,357,999,994/85,339,830.18
  6. Step 6: Final answer
    x = 71,520,289.47

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.