Home / 72,796,940.69-100,462,257.36-43,053,085.71

Finding the Fourth Proportional to 72,796,940.69, 100,462,257.36 and 43,053,085.71

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Solution

The fourth proportional to 72,796,940.69, 100,462,257.36 and 43,053,085.71 is: 59,414,724.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,796,940.69 : 100,462,257.36 = 43,053,085.71 : x
  2. Step 2: Convert to fraction form
    72,796,940.69/100,462,257.36 = 43,053,085.71/x
  3. Step 3: Cross multiply
    72,796,940.69x = 100,462,257.36 × 43,053,085.71
  4. Step 4: Simplify right side
    72,796,940.69x = 4,325,210,176,740,158.50
  5. Step 5: Solve for x
    x = 4,325,210,176,740,158.50/72,796,940.69
  6. Step 6: Final answer
    x = 59,414,724.52

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.