Home / 117,720,024.20-176,611,529.10-83,707,800.20

Finding the Fourth Proportional to 117,720,024.20, 176,611,529.10 and 83,707,800.20

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Solution

The fourth proportional to 117,720,024.20, 176,611,529.10 and 83,707,800.20 is: 125,584,094.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,720,024.20 : 176,611,529.10 = 83,707,800.20 : x
  2. Step 2: Convert to fraction form
    117,720,024.20/176,611,529.10 = 83,707,800.20/x
  3. Step 3: Cross multiply
    117,720,024.20x = 176,611,529.10 × 83,707,800.20
  4. Step 4: Simplify right side
    117,720,024.20x = 14,783,762,590,919,286
  5. Step 5: Solve for x
    x = 14,783,762,590,919,286/117,720,024.20
  6. Step 6: Final answer
    x = 125,584,094.05

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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.