Home / 100,632,364.70-150,868,830.90-55,194,159.20

Finding the Fourth Proportional to 100,632,364.70, 150,868,830.90 and 55,194,159.20

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Solution

The fourth proportional to 100,632,364.70, 150,868,830.90 and 55,194,159.20 is: 82,747,516.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,632,364.70 : 150,868,830.90 = 55,194,159.20 : x
  2. Step 2: Convert to fraction form
    100,632,364.70/150,868,830.90 = 55,194,159.20/x
  3. Step 3: Cross multiply
    100,632,364.70x = 150,868,830.90 × 55,194,159.20
  4. Step 4: Simplify right side
    100,632,364.70x = 8,327,078,271,012,480
  5. Step 5: Solve for x
    x = 8,327,078,271,012,480/100,632,364.70
  6. Step 6: Final answer
    x = 82,747,516.62

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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.