Home / 72,420,640.98-99,937,442.36-41,060,799.66

Finding the Fourth Proportional to 72,420,640.98, 99,937,442.36 and 41,060,799.66

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Solution

The fourth proportional to 72,420,640.98, 99,937,442.36 and 41,060,799.66 is: 56,662,178.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,420,640.98 : 99,937,442.36 = 41,060,799.66 : x
  2. Step 2: Convert to fraction form
    72,420,640.98/99,937,442.36 = 41,060,799.66/x
  3. Step 3: Cross multiply
    72,420,640.98x = 99,937,442.36 × 41,060,799.66
  4. Step 4: Simplify right side
    72,420,640.98x = 4,103,511,299,276,757
  5. Step 5: Solve for x
    x = 4,103,511,299,276,757/72,420,640.98
  6. Step 6: Final answer
    x = 56,662,178.68

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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.