Home / 52,034,779.20-78,021,914.08-19,689,180.42

Finding the Fourth Proportional to 52,034,779.20, 78,021,914.08 and 19,689,180.42

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Solution

The fourth proportional to 52,034,779.20, 78,021,914.08 and 19,689,180.42 is: 29,522,322.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,034,779.20 : 78,021,914.08 = 19,689,180.42 : x
  2. Step 2: Convert to fraction form
    52,034,779.20/78,021,914.08 = 19,689,180.42/x
  3. Step 3: Cross multiply
    52,034,779.20x = 78,021,914.08 × 19,689,180.42
  4. Step 4: Simplify right side
    52,034,779.20x = 1,536,187,543,034,858.50
  5. Step 5: Solve for x
    x = 1,536,187,543,034,858.50/52,034,779.20
  6. Step 6: Final answer
    x = 29,522,322.70

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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.