Home / 49,988,996.70-68,990,010.75-28,796,507.34

Finding the Fourth Proportional to 49,988,996.70, 68,990,010.75 and 28,796,507.34

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Solution

The fourth proportional to 49,988,996.70, 68,990,010.75 and 28,796,507.34 is: 39,742,172.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,988,996.70 : 68,990,010.75 = 28,796,507.34 : x
  2. Step 2: Convert to fraction form
    49,988,996.70/68,990,010.75 = 28,796,507.34/x
  3. Step 3: Cross multiply
    49,988,996.70x = 68,990,010.75 × 28,796,507.34
  4. Step 4: Simplify right side
    49,988,996.70x = 1,986,671,350,949,054
  5. Step 5: Solve for x
    x = 1,986,671,350,949,054/49,988,996.70
  6. Step 6: Final answer
    x = 39,742,172.92

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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.