Home / 66,567,933.20-99,683,938.20-53,131,005.20

Finding the Fourth Proportional to 66,567,933.20, 99,683,938.20 and 53,131,005.20

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Solution

The fourth proportional to 66,567,933.20, 99,683,938.20 and 53,131,005.20 is: 79,562,449.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,567,933.20 : 99,683,938.20 = 53,131,005.20 : x
  2. Step 2: Convert to fraction form
    66,567,933.20/99,683,938.20 = 53,131,005.20/x
  3. Step 3: Cross multiply
    66,567,933.20x = 99,683,938.20 × 53,131,005.20
  4. Step 4: Simplify right side
    66,567,933.20x = 5,296,307,838,860,679
  5. Step 5: Solve for x
    x = 5,296,307,838,860,679/66,567,933.20
  6. Step 6: Final answer
    x = 79,562,449.73

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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.