Home / 52,596,423.40-78,857,310.30-20,235,821.80

Finding the Fourth Proportional to 52,596,423.40, 78,857,310.30 and 20,235,821.80

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Solution

The fourth proportional to 52,596,423.40, 78,857,310.30 and 20,235,821.80 is: 30,339,372.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,596,423.40 : 78,857,310.30 = 20,235,821.80 : x
  2. Step 2: Convert to fraction form
    52,596,423.40/78,857,310.30 = 20,235,821.80/x
  3. Step 3: Cross multiply
    52,596,423.40x = 78,857,310.30 × 20,235,821.80
  4. Step 4: Simplify right side
    52,596,423.40x = 1,595,742,478,858,104.50
  5. Step 5: Solve for x
    x = 1,595,742,478,858,104.50/52,596,423.40
  6. Step 6: Final answer
    x = 30,339,372.45

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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.