Home / 70,182,003.70-105,273,005.55-53,175,891.70

Finding the Fourth Proportional to 70,182,003.70, 105,273,005.55 and 53,175,891.70

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Solution

The fourth proportional to 70,182,003.70, 105,273,005.55 and 53,175,891.70 is: 79,763,837.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,182,003.70 : 105,273,005.55 = 53,175,891.70 : x
  2. Step 2: Convert to fraction form
    70,182,003.70/105,273,005.55 = 53,175,891.70/x
  3. Step 3: Cross multiply
    70,182,003.70x = 105,273,005.55 × 53,175,891.70
  4. Step 4: Simplify right side
    70,182,003.70x = 5,597,985,942,060,299
  5. Step 5: Solve for x
    x = 5,597,985,942,060,299/70,182,003.70
  6. Step 6: Final answer
    x = 79,763,837.55

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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.