Home / 49,855,812.80-74,630,474.76-42,500,874.40

Finding the Fourth Proportional to 49,855,812.80, 74,630,474.76 and 42,500,874.40

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Solution

The fourth proportional to 49,855,812.80, 74,630,474.76 and 42,500,874.40 is: 63,620,674.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,855,812.80 : 74,630,474.76 = 42,500,874.40 : x
  2. Step 2: Convert to fraction form
    49,855,812.80/74,630,474.76 = 42,500,874.40/x
  3. Step 3: Cross multiply
    49,855,812.80x = 74,630,474.76 × 42,500,874.40
  4. Step 4: Simplify right side
    49,855,812.80x = 3,171,860,434,187,130.50
  5. Step 5: Solve for x
    x = 3,171,860,434,187,130.50/49,855,812.80
  6. Step 6: Final answer
    x = 63,620,674.42

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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.