Home / 52,432,449.72-78,631,671.04-20,082,630.84

Finding the Fourth Proportional to 52,432,449.72, 78,631,671.04 and 20,082,630.84

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Solution

The fourth proportional to 52,432,449.72, 78,631,671.04 and 20,082,630.84 is: 30,117,433.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,432,449.72 : 78,631,671.04 = 20,082,630.84 : x
  2. Step 2: Convert to fraction form
    52,432,449.72/78,631,671.04 = 20,082,630.84/x
  3. Step 3: Cross multiply
    52,432,449.72x = 78,631,671.04 × 20,082,630.84
  4. Step 4: Simplify right side
    52,432,449.72x = 1,579,130,821,828,639
  5. Step 5: Solve for x
    x = 1,579,130,821,828,639/52,432,449.72
  6. Step 6: Final answer
    x = 30,117,433.58

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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.