Home / 170,058,304.70-255,087,457.05-72,997,495.10

Finding the Fourth Proportional to 170,058,304.70, 255,087,457.05 and 72,997,495.10

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Solution

The fourth proportional to 170,058,304.70, 255,087,457.05 and 72,997,495.10 is: 109,496,242.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,058,304.70 : 255,087,457.05 = 72,997,495.10 : x
  2. Step 2: Convert to fraction form
    170,058,304.70/255,087,457.05 = 72,997,495.10/x
  3. Step 3: Cross multiply
    170,058,304.70x = 255,087,457.05 × 72,997,495.10
  4. Step 4: Simplify right side
    170,058,304.70x = 18,620,745,396,078,836
  5. Step 5: Solve for x
    x = 18,620,745,396,078,836/170,058,304.70
  6. Step 6: Final answer
    x = 109,496,242.65

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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.