Home / 172,368,861.60-258,553,292.40-158,260,087.20

Finding the Fourth Proportional to 172,368,861.60, 258,553,292.40 and 158,260,087.20

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Solution

The fourth proportional to 172,368,861.60, 258,553,292.40 and 158,260,087.20 is: 237,390,130.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,368,861.60 : 258,553,292.40 = 158,260,087.20 : x
  2. Step 2: Convert to fraction form
    172,368,861.60/258,553,292.40 = 158,260,087.20/x
  3. Step 3: Cross multiply
    172,368,861.60x = 258,553,292.40 × 158,260,087.20
  4. Step 4: Simplify right side
    172,368,861.60x = 40,918,666,601,071,096
  5. Step 5: Solve for x
    x = 40,918,666,601,071,096/172,368,861.60
  6. Step 6: Final answer
    x = 237,390,130.80

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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.