Home / 78,912,000.60-118,368,000.90-57,244,954.20

Finding the Fourth Proportional to 78,912,000.60, 118,368,000.90 and 57,244,954.20

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Solution

The fourth proportional to 78,912,000.60, 118,368,000.90 and 57,244,954.20 is: 85,867,431.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,912,000.60 : 118,368,000.90 = 57,244,954.20 : x
  2. Step 2: Convert to fraction form
    78,912,000.60/118,368,000.90 = 57,244,954.20/x
  3. Step 3: Cross multiply
    78,912,000.60x = 118,368,000.90 × 57,244,954.20
  4. Step 4: Simplify right side
    78,912,000.60x = 6,775,970,790,266,059
  5. Step 5: Solve for x
    x = 6,775,970,790,266,059/78,912,000.60
  6. Step 6: Final answer
    x = 85,867,431.30

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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.