Home / 66,108,669.10-99,163,003.65-20,675,056.30

Finding the Fourth Proportional to 66,108,669.10, 99,163,003.65 and 20,675,056.30

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Solution

The fourth proportional to 66,108,669.10, 99,163,003.65 and 20,675,056.30 is: 31,012,584.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,108,669.10 : 99,163,003.65 = 20,675,056.30 : x
  2. Step 2: Convert to fraction form
    66,108,669.10/99,163,003.65 = 20,675,056.30/x
  3. Step 3: Cross multiply
    66,108,669.10x = 99,163,003.65 × 20,675,056.30
  4. Step 4: Simplify right side
    66,108,669.10x = 2,050,200,683,340,855.75
  5. Step 5: Solve for x
    x = 2,050,200,683,340,855.75/66,108,669.10
  6. Step 6: Final answer
    x = 31,012,584.45

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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.