Home / 41,142,947.42-61,717,779.50-20,662,133.87

Finding the Fourth Proportional to 41,142,947.42, 61,717,779.50 and 20,662,133.87

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Solution

The fourth proportional to 41,142,947.42, 61,717,779.50 and 20,662,133.87 is: 30,994,887.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,142,947.42 : 61,717,779.50 = 20,662,133.87 : x
  2. Step 2: Convert to fraction form
    41,142,947.42/61,717,779.50 = 20,662,133.87/x
  3. Step 3: Cross multiply
    41,142,947.42x = 61,717,779.50 × 20,662,133.87
  4. Step 4: Simplify right side
    41,142,947.42x = 1,275,221,022,239,125.25
  5. Step 5: Solve for x
    x = 1,275,221,022,239,125.25/41,142,947.42
  6. Step 6: Final answer
    x = 30,994,887.39

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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.