Home / 133,058,319.80-199,792,766.10-72,592,143.80

Finding the Fourth Proportional to 133,058,319.80, 199,792,766.10 and 72,592,143.80

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Solution

The fourth proportional to 133,058,319.80, 199,792,766.10 and 72,592,143.80 is: 109,000,213.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,058,319.80 : 199,792,766.10 = 72,592,143.80 : x
  2. Step 2: Convert to fraction form
    133,058,319.80/199,792,766.10 = 72,592,143.80/x
  3. Step 3: Cross multiply
    133,058,319.80x = 199,792,766.10 × 72,592,143.80
  4. Step 4: Simplify right side
    133,058,319.80x = 14,503,385,206,930,964
  5. Step 5: Solve for x
    x = 14,503,385,206,930,964/133,058,319.80
  6. Step 6: Final answer
    x = 109,000,213.05

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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.