Home / 87,180,181.88-120,284,710.56-60,688,846.76

Finding the Fourth Proportional to 87,180,181.88, 120,284,710.56 and 60,688,846.76

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Solution

The fourth proportional to 87,180,181.88, 120,284,710.56 and 60,688,846.76 is: 83,733,942.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,180,181.88 : 120,284,710.56 = 60,688,846.76 : x
  2. Step 2: Convert to fraction form
    87,180,181.88/120,284,710.56 = 60,688,846.76/x
  3. Step 3: Cross multiply
    87,180,181.88x = 120,284,710.56 × 60,688,846.76
  4. Step 4: Simplify right side
    87,180,181.88x = 7,299,940,366,145,371
  5. Step 5: Solve for x
    x = 7,299,940,366,145,371/87,180,181.88
  6. Step 6: Final answer
    x = 83,733,942.84

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.