Home / 136,272,000.40-204,408,000.60-78,876,372.40

Finding the Fourth Proportional to 136,272,000.40, 204,408,000.60 and 78,876,372.40

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Solution

The fourth proportional to 136,272,000.40, 204,408,000.60 and 78,876,372.40 is: 118,314,558.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,272,000.40 : 204,408,000.60 = 78,876,372.40 : x
  2. Step 2: Convert to fraction form
    136,272,000.40/204,408,000.60 = 78,876,372.40/x
  3. Step 3: Cross multiply
    136,272,000.40x = 204,408,000.60 × 78,876,372.40
  4. Step 4: Simplify right side
    136,272,000.40x = 16,122,961,576,865,024
  5. Step 5: Solve for x
    x = 16,122,961,576,865,024/136,272,000.40
  6. Step 6: Final answer
    x = 118,314,558.60

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1.5x scale

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.