Home / 104,004,847.70-156,007,271.55-78,306,722.90

Finding the Fourth Proportional to 104,004,847.70, 156,007,271.55 and 78,306,722.90

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Solution

The fourth proportional to 104,004,847.70, 156,007,271.55 and 78,306,722.90 is: 117,460,084.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,004,847.70 : 156,007,271.55 = 78,306,722.90 : x
  2. Step 2: Convert to fraction form
    104,004,847.70/156,007,271.55 = 78,306,722.90/x
  3. Step 3: Cross multiply
    104,004,847.70x = 156,007,271.55 × 78,306,722.90
  4. Step 4: Simplify right side
    104,004,847.70x = 12,216,418,183,650,906
  5. Step 5: Solve for x
    x = 12,216,418,183,650,906/104,004,847.70
  6. Step 6: Final answer
    x = 117,460,084.35

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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.