Home / 85,523,980.88-118,035,872.52-67,326,205.52

Finding the Fourth Proportional to 85,523,980.88, 118,035,872.52 and 67,326,205.52

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Solution

The fourth proportional to 85,523,980.88, 118,035,872.52 and 67,326,205.52 is: 92,920,223.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,523,980.88 : 118,035,872.52 = 67,326,205.52 : x
  2. Step 2: Convert to fraction form
    85,523,980.88/118,035,872.52 = 67,326,205.52/x
  3. Step 3: Cross multiply
    85,523,980.88x = 118,035,872.52 × 67,326,205.52
  4. Step 4: Simplify right side
    85,523,980.88x = 7,946,907,412,014,040
  5. Step 5: Solve for x
    x = 7,946,907,412,014,040/85,523,980.88
  6. Step 6: Final answer
    x = 92,920,223.43

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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.