Home / 124,900,728.50-172,381,043.39-71,967,302.03

Finding the Fourth Proportional to 124,900,728.50, 172,381,043.39 and 71,967,302.03

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Solution

The fourth proportional to 124,900,728.50, 172,381,043.39 and 71,967,302.03 is: 99,325,270.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,900,728.50 : 172,381,043.39 = 71,967,302.03 : x
  2. Step 2: Convert to fraction form
    124,900,728.50/172,381,043.39 = 71,967,302.03/x
  3. Step 3: Cross multiply
    124,900,728.50x = 172,381,043.39 × 71,967,302.03
  4. Step 4: Simplify right side
    124,900,728.50x = 12,405,798,613,894,664
  5. Step 5: Solve for x
    x = 12,405,798,613,894,664/124,900,728.50
  6. Step 6: Final answer
    x = 99,325,270.26

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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.