Home / 129,434,680.80-194,152,021.20-37,318,240.80

Finding the Fourth Proportional to 129,434,680.80, 194,152,021.20 and 37,318,240.80

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Solution

The fourth proportional to 129,434,680.80, 194,152,021.20 and 37,318,240.80 is: 55,977,361.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,434,680.80 : 194,152,021.20 = 37,318,240.80 : x
  2. Step 2: Convert to fraction form
    129,434,680.80/194,152,021.20 = 37,318,240.80/x
  3. Step 3: Cross multiply
    129,434,680.80x = 194,152,021.20 × 37,318,240.80
  4. Step 4: Simplify right side
    129,434,680.80x = 7,245,411,878,948,304
  5. Step 5: Solve for x
    x = 7,245,411,878,948,304/129,434,680.80
  6. Step 6: Final answer
    x = 55,977,361.20

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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.