Home / 52,476,209.20-78,690,694.20-20,117,357.20

Finding the Fourth Proportional to 52,476,209.20, 78,690,694.20 and 20,117,357.20

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Solution

The fourth proportional to 52,476,209.20, 78,690,694.20 and 20,117,357.20 is: 30,166,980.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,476,209.20 : 78,690,694.20 = 20,117,357.20 : x
  2. Step 2: Convert to fraction form
    52,476,209.20/78,690,694.20 = 20,117,357.20/x
  3. Step 3: Cross multiply
    52,476,209.20x = 78,690,694.20 × 20,117,357.20
  4. Step 4: Simplify right side
    52,476,209.20x = 1,583,048,803,537,368.25
  5. Step 5: Solve for x
    x = 1,583,048,803,537,368.25/52,476,209.20
  6. Step 6: Final answer
    x = 30,166,980.96

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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.