Home / 72,804,755.55-109,207,133.33-52,477,137.30

Finding the Fourth Proportional to 72,804,755.55, 109,207,133.33 and 52,477,137.30

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Solution

The fourth proportional to 72,804,755.55, 109,207,133.33 and 52,477,137.30 is: 78,715,705.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,804,755.55 : 109,207,133.33 = 52,477,137.30 : x
  2. Step 2: Convert to fraction form
    72,804,755.55/109,207,133.33 = 52,477,137.30/x
  3. Step 3: Cross multiply
    72,804,755.55x = 109,207,133.33 × 52,477,137.30
  4. Step 4: Simplify right side
    72,804,755.55x = 5,730,877,729,635,430
  5. Step 5: Solve for x
    x = 5,730,877,729,635,430/72,804,755.55
  6. Step 6: Final answer
    x = 78,715,705.95

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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.