Home / 51,087,086.40-76,630,629.60-45,544,353.60

Finding the Fourth Proportional to 51,087,086.40, 76,630,629.60 and 45,544,353.60

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Solution

The fourth proportional to 51,087,086.40, 76,630,629.60 and 45,544,353.60 is: 68,316,530.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,087,086.40 : 76,630,629.60 = 45,544,353.60 : x
  2. Step 2: Convert to fraction form
    51,087,086.40/76,630,629.60 = 45,544,353.60/x
  3. Step 3: Cross multiply
    51,087,086.40x = 76,630,629.60 × 45,544,353.60
  4. Step 4: Simplify right side
    51,087,086.40x = 3,490,092,491,093,026.50
  5. Step 5: Solve for x
    x = 3,490,092,491,093,026.50/51,087,086.40
  6. Step 6: Final answer
    x = 68,316,530.40

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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.