Home / 52,476,206.20-78,690,689.70-20,117,354.20

Finding the Fourth Proportional to 52,476,206.20, 78,690,689.70 and 20,117,354.20

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Solution

The fourth proportional to 52,476,206.20, 78,690,689.70 and 20,117,354.20 is: 30,166,976.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,476,206.20 : 78,690,689.70 = 20,117,354.20 : x
  2. Step 2: Convert to fraction form
    52,476,206.20/78,690,689.70 = 20,117,354.20/x
  3. Step 3: Cross multiply
    52,476,206.20x = 78,690,689.70 × 20,117,354.20
  4. Step 4: Simplify right side
    52,476,206.20x = 1,583,048,476,937,191.75
  5. Step 5: Solve for x
    x = 1,583,048,476,937,191.75/52,476,206.20
  6. Step 6: Final answer
    x = 30,166,976.46

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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.