Home / 72,420,638.98-99,937,439.60-41,060,797.66

Finding the Fourth Proportional to 72,420,638.98, 99,937,439.60 and 41,060,797.66

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Solution

The fourth proportional to 72,420,638.98, 99,937,439.60 and 41,060,797.66 is: 56,662,175.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,420,638.98 : 99,937,439.60 = 41,060,797.66 : x
  2. Step 2: Convert to fraction form
    72,420,638.98/99,937,439.60 = 41,060,797.66/x
  3. Step 3: Cross multiply
    72,420,638.98x = 99,937,439.60 × 41,060,797.66
  4. Step 4: Simplify right side
    72,420,638.98x = 4,103,510,986,074,070.50
  5. Step 5: Solve for x
    x = 4,103,510,986,074,070.50/72,420,638.98
  6. Step 6: Final answer
    x = 56,662,175.92

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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.