Home / 68,856,408.60-103,284,612.90-64,910,459.18

Finding the Fourth Proportional to 68,856,408.60, 103,284,612.90 and 64,910,459.18

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Solution

The fourth proportional to 68,856,408.60, 103,284,612.90 and 64,910,459.18 is: 97,365,688.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,856,408.60 : 103,284,612.90 = 64,910,459.18 : x
  2. Step 2: Convert to fraction form
    68,856,408.60/103,284,612.90 = 64,910,459.18/x
  3. Step 3: Cross multiply
    68,856,408.60x = 103,284,612.90 × 64,910,459.18
  4. Step 4: Simplify right side
    68,856,408.60x = 6,704,251,649,051,128
  5. Step 5: Solve for x
    x = 6,704,251,649,051,128/68,856,408.60
  6. Step 6: Final answer
    x = 97,365,688.76

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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.