Home / 104,288,744.40-156,601,078.20-78,758,581.20

Finding the Fourth Proportional to 104,288,744.40, 156,601,078.20 and 78,758,581.20

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Solution

The fourth proportional to 104,288,744.40, 156,601,078.20 and 78,758,581.20 is: 118,264,715.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,288,744.40 : 156,601,078.20 = 78,758,581.20 : x
  2. Step 2: Convert to fraction form
    104,288,744.40/156,601,078.20 = 78,758,581.20/x
  3. Step 3: Cross multiply
    104,288,744.40x = 156,601,078.20 × 78,758,581.20
  4. Step 4: Simplify right side
    104,288,744.40x = 12,333,678,733,422,250
  5. Step 5: Solve for x
    x = 12,333,678,733,422,250/104,288,744.40
  6. Step 6: Final answer
    x = 118,264,715.95

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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.