Home / 66,118,511.80-99,225,006.90-27,807,520.60

Finding the Fourth Proportional to 66,118,511.80, 99,225,006.90 and 27,807,520.60

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Solution

The fourth proportional to 66,118,511.80, 99,225,006.90 and 27,807,520.60 is: 41,731,148.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,118,511.80 : 99,225,006.90 = 27,807,520.60 : x
  2. Step 2: Convert to fraction form
    66,118,511.80/99,225,006.90 = 27,807,520.60/x
  3. Step 3: Cross multiply
    66,118,511.80x = 99,225,006.90 × 27,807,520.60
  4. Step 4: Simplify right side
    66,118,511.80x = 2,759,201,423,406,892.50
  5. Step 5: Solve for x
    x = 2,759,201,423,406,892.50/66,118,511.80
  6. Step 6: Final answer
    x = 41,731,148.33

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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.