Home / 72,420,642.11-99,937,443.91-41,060,800.77

Finding the Fourth Proportional to 72,420,642.11, 99,937,443.91 and 41,060,800.77

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Solution

The fourth proportional to 72,420,642.11, 99,937,443.91 and 41,060,800.77 is: 56,662,180.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,420,642.11 : 99,937,443.91 = 41,060,800.77 : x
  2. Step 2: Convert to fraction form
    72,420,642.11/99,937,443.91 = 41,060,800.77/x
  3. Step 3: Cross multiply
    72,420,642.11x = 99,937,443.91 × 41,060,800.77
  4. Step 4: Simplify right side
    72,420,642.11x = 4,103,511,473,851,560
  5. Step 5: Solve for x
    x = 4,103,511,473,851,560/72,420,642.11
  6. Step 6: Final answer
    x = 56,662,180.21

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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.