Home / 129,380,042.40-194,014,076.40-52,677,578.40

Finding the Fourth Proportional to 129,380,042.40, 194,014,076.40 and 52,677,578.40

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Solution

The fourth proportional to 129,380,042.40, 194,014,076.40 and 52,677,578.40 is: 78,993,572.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,380,042.40 : 194,014,076.40 = 52,677,578.40 : x
  2. Step 2: Convert to fraction form
    129,380,042.40/194,014,076.40 = 52,677,578.40/x
  3. Step 3: Cross multiply
    129,380,042.40x = 194,014,076.40 × 52,677,578.40
  4. Step 4: Simplify right side
    129,380,042.40x = 10,220,191,720,264,590
  5. Step 5: Solve for x
    x = 10,220,191,720,264,590/129,380,042.40
  6. Step 6: Final answer
    x = 78,993,572.20

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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.