Home / 79,648,744.92-119,485,714.50-28,529,631.96

Finding the Fourth Proportional to 79,648,744.92, 119,485,714.50 and 28,529,631.96

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Solution

The fourth proportional to 79,648,744.92, 119,485,714.50 and 28,529,631.96 is: 42,798,960.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,648,744.92 : 119,485,714.50 = 28,529,631.96 : x
  2. Step 2: Convert to fraction form
    79,648,744.92/119,485,714.50 = 28,529,631.96/x
  3. Step 3: Cross multiply
    79,648,744.92x = 119,485,714.50 × 28,529,631.96
  4. Step 4: Simplify right side
    79,648,744.92x = 3,408,883,459,162,635.50
  5. Step 5: Solve for x
    x = 3,408,883,459,162,635.50/79,648,744.92
  6. Step 6: Final answer
    x = 42,798,960.14

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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.