Home / 70,053,072.46-104,988,451.80-28,505,519.46

Finding the Fourth Proportional to 70,053,072.46, 104,988,451.80 and 28,505,519.46

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Solution

The fourth proportional to 70,053,072.46, 104,988,451.80 and 28,505,519.46 is: 42,721,186.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,053,072.46 : 104,988,451.80 = 28,505,519.46 : x
  2. Step 2: Convert to fraction form
    70,053,072.46/104,988,451.80 = 28,505,519.46/x
  3. Step 3: Cross multiply
    70,053,072.46x = 104,988,451.80 × 28,505,519.46
  4. Step 4: Simplify right side
    70,053,072.46x = 2,992,750,355,860,172
  5. Step 5: Solve for x
    x = 2,992,750,355,860,172/70,053,072.46
  6. Step 6: Final answer
    x = 42,721,186.25

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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.