Home / 52,487,999.40-78,694,674.30-20,127,397.80

Finding the Fourth Proportional to 52,487,999.40, 78,694,674.30 and 20,127,397.80

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Solution

The fourth proportional to 52,487,999.40, 78,694,674.30 and 20,127,397.80 is: 30,176,783.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,487,999.40 : 78,694,674.30 = 20,127,397.80 : x
  2. Step 2: Convert to fraction form
    52,487,999.40/78,694,674.30 = 20,127,397.80/x
  3. Step 3: Cross multiply
    52,487,999.40x = 78,694,674.30 × 20,127,397.80
  4. Step 4: Simplify right side
    52,487,999.40x = 1,583,919,014,377,536.50
  5. Step 5: Solve for x
    x = 1,583,919,014,377,536.50/52,487,999.40
  6. Step 6: Final answer
    x = 30,176,783.88

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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.