Home / 84,802,755.65-127,094,157.37-38,081,742.98

Finding the Fourth Proportional to 84,802,755.65, 127,094,157.37 and 38,081,742.98

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Solution

The fourth proportional to 84,802,755.65, 127,094,157.37 and 38,081,742.98 is: 57,073,228.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,802,755.65 : 127,094,157.37 = 38,081,742.98 : x
  2. Step 2: Convert to fraction form
    84,802,755.65/127,094,157.37 = 38,081,742.98/x
  3. Step 3: Cross multiply
    84,802,755.65x = 127,094,157.37 × 38,081,742.98
  4. Step 4: Simplify right side
    84,802,755.65x = 4,839,967,034,636,144
  5. Step 5: Solve for x
    x = 4,839,967,034,636,144/84,802,755.65
  6. Step 6: Final answer
    x = 57,073,228.31

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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.