Home / 67,131,919.85-100,697,905.17-30,200,671.08

Finding the Fourth Proportional to 67,131,919.85, 100,697,905.17 and 30,200,671.08

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Solution

The fourth proportional to 67,131,919.85, 100,697,905.17 and 30,200,671.08 is: 45,301,018.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,131,919.85 : 100,697,905.17 = 30,200,671.08 : x
  2. Step 2: Convert to fraction form
    67,131,919.85/100,697,905.17 = 30,200,671.08/x
  3. Step 3: Cross multiply
    67,131,919.85x = 100,697,905.17 × 30,200,671.08
  4. Step 4: Simplify right side
    67,131,919.85x = 3,041,144,312,484,201.50
  5. Step 5: Solve for x
    x = 3,041,144,312,484,201.50/67,131,919.85
  6. Step 6: Final answer
    x = 45,301,018.05

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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.