Home / 52,596,456.90-78,857,360.55-20,235,855.30

Finding the Fourth Proportional to 52,596,456.90, 78,857,360.55 and 20,235,855.30

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Solution

The fourth proportional to 52,596,456.90, 78,857,360.55 and 20,235,855.30 is: 30,339,422.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,596,456.90 : 78,857,360.55 = 20,235,855.30 : x
  2. Step 2: Convert to fraction form
    52,596,456.90/78,857,360.55 = 20,235,855.30/x
  3. Step 3: Cross multiply
    52,596,456.90x = 78,857,360.55 × 20,235,855.30
  4. Step 4: Simplify right side
    52,596,456.90x = 1,595,746,137,429,728.50
  5. Step 5: Solve for x
    x = 1,595,746,137,429,728.50/52,596,456.90
  6. Step 6: Final answer
    x = 30,339,422.68

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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.