Home / 133,058,957.60-199,588,436.40-81,998,631.20

Finding the Fourth Proportional to 133,058,957.60, 199,588,436.40 and 81,998,631.20

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Solution

The fourth proportional to 133,058,957.60, 199,588,436.40 and 81,998,631.20 is: 122,997,946.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,058,957.60 : 199,588,436.40 = 81,998,631.20 : x
  2. Step 2: Convert to fraction form
    133,058,957.60/199,588,436.40 = 81,998,631.20/x
  3. Step 3: Cross multiply
    133,058,957.60x = 199,588,436.40 × 81,998,631.20
  4. Step 4: Simplify right side
    133,058,957.60x = 16,365,978,588,148,256
  5. Step 5: Solve for x
    x = 16,365,978,588,148,256/133,058,957.60
  6. Step 6: Final answer
    x = 122,997,946.80

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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.