Home / 68,144,006.80-102,216,010.20-43,957,536.40

Finding the Fourth Proportional to 68,144,006.80, 102,216,010.20 and 43,957,536.40

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Solution

The fourth proportional to 68,144,006.80, 102,216,010.20 and 43,957,536.40 is: 65,936,304.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,144,006.80 : 102,216,010.20 = 43,957,536.40 : x
  2. Step 2: Convert to fraction form
    68,144,006.80/102,216,010.20 = 43,957,536.40/x
  3. Step 3: Cross multiply
    68,144,006.80x = 102,216,010.20 × 43,957,536.40
  4. Step 4: Simplify right side
    68,144,006.80x = 4,493,163,989,029,271.50
  5. Step 5: Solve for x
    x = 4,493,163,989,029,271.50/68,144,006.80
  6. Step 6: Final answer
    x = 65,936,304.60

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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.