Home / 122,380,007.20-183,516,866.70-40,467,234.40

Finding the Fourth Proportional to 122,380,007.20, 183,516,866.70 and 40,467,234.40

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Solution

The fourth proportional to 122,380,007.20, 183,516,866.70 and 40,467,234.40 is: 60,683,278.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,380,007.20 : 183,516,866.70 = 40,467,234.40 : x
  2. Step 2: Convert to fraction form
    122,380,007.20/183,516,866.70 = 40,467,234.40/x
  3. Step 3: Cross multiply
    122,380,007.20x = 183,516,866.70 × 40,467,234.40
  4. Step 4: Simplify right side
    122,380,007.20x = 7,426,420,061,102,454
  5. Step 5: Solve for x
    x = 7,426,420,061,102,454/122,380,007.20
  6. Step 6: Final answer
    x = 60,683,278.51

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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.