Home / 74,756,866.70-112,135,300.05-20,169,346.70

Finding the Fourth Proportional to 74,756,866.70, 112,135,300.05 and 20,169,346.70

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Solution

The fourth proportional to 74,756,866.70, 112,135,300.05 and 20,169,346.70 is: 30,254,020.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,756,866.70 : 112,135,300.05 = 20,169,346.70 : x
  2. Step 2: Convert to fraction form
    74,756,866.70/112,135,300.05 = 20,169,346.70/x
  3. Step 3: Cross multiply
    74,756,866.70x = 112,135,300.05 × 20,169,346.70
  4. Step 4: Simplify right side
    74,756,866.70x = 2,261,695,744,016,977
  5. Step 5: Solve for x
    x = 2,261,695,744,016,977/74,756,866.70
  6. Step 6: Final answer
    x = 30,254,020.05

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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.