Home / 129,379,886.40-194,013,842.40-52,677,422.40

Finding the Fourth Proportional to 129,379,886.40, 194,013,842.40 and 52,677,422.40

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Solution

The fourth proportional to 129,379,886.40, 194,013,842.40 and 52,677,422.40 is: 78,993,338.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,379,886.40 : 194,013,842.40 = 52,677,422.40 : x
  2. Step 2: Convert to fraction form
    129,379,886.40/194,013,842.40 = 52,677,422.40/x
  3. Step 3: Cross multiply
    129,379,886.40x = 194,013,842.40 × 52,677,422.40
  4. Step 4: Simplify right side
    129,379,886.40x = 10,220,149,127,551,830
  5. Step 5: Solve for x
    x = 10,220,149,127,551,830/129,379,886.40
  6. Step 6: Final answer
    x = 78,993,338.24

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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.