Home / 129,611,042.78-194,416,761.03-52,934,071.00

Finding the Fourth Proportional to 129,611,042.78, 194,416,761.03 and 52,934,071.00

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Solution

The fourth proportional to 129,611,042.78, 194,416,761.03 and 52,934,071.00 is: 79,401,186.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,611,042.78 : 194,416,761.03 = 52,934,071.00 : x
  2. Step 2: Convert to fraction form
    129,611,042.78/194,416,761.03 = 52,934,071.00/x
  3. Step 3: Cross multiply
    129,611,042.78x = 194,416,761.03 × 52,934,071.00
  4. Step 4: Simplify right side
    129,611,042.78x = 10,291,270,631,632,040
  5. Step 5: Solve for x
    x = 10,291,270,631,632,040/129,611,042.78
  6. Step 6: Final answer
    x = 79,401,186.90

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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.